B. Olsen

A. Wallensten, B. Olsen, M. Rehn, 2013, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Protozoan Acanthamoeba polyphaga as a Potential Reservoir for Campylobacter jejuni

T. Broman, B. Olsen, J. Waldenström, 2005, Applied and Environmental Microbiology.

Campylobacter jejuni in Black-Headed Gulls (Larus ridibundus): Prevalence, Genotypes, and Influence on C. jejuni Epidemiology

S. Bergström, T. Broman, B. Olsen, 2002, Journal of Clinical Microbiology.

Bartonella spp. seroprevalence in tick-exposed Swedish patients with persistent symptoms

A. Mårtensson, B. Olsen, M. Edvinsson, 2021, Parasites & vectors.

Enterococcus spp in Wastewater and in Mallards (Anas platyrhynchos) Exposed to Wastewater Wetland

B. Olsen, I. Kühn, Jorge Hernández, 2013 .

Does influenza A affect body condition of wild mallard ducks, or vice versa? A reply to Flint and Franson

A. Osterhaus, R. Fouchier, L. Brudin, 2009, Proceedings of the Royal Society B: Biological Sciences.

Three Babesia species in Ixodes ricinus ticks from migratory birds in Sweden

P. Forsberg, B. Olsen, J. Waldenström, 2021, Parasites & Vectors.

Salmonella in sub-Antarctica: low heterogeneity in salmonella serotypes in South Georgian seals and birds

S. Bergström, T. Broman, B. Olsen, 2000, Epidemiology and Infection.

Mycobacterium avium with the bird type IS1245 RFLP profile is commonly found in wild and domestic animals, but rarely in humans

B. Olsen, S. Hoffner, B. Marklund, 2005, Scandinavian journal of infectious diseases.

Individual Variation in Influenza A Virus Infection Histories and Long-Term Immune Responses in Mallards

D. Hasselquist, B. Olsen, J. Waldenström, 2013, PloS one.

Broadly targeted multiprobe QPCR for detection of coronaviruses: Coronavirus is common among mallard ducks (Anas platyrhynchos)

J. Blomberg, B. Olsen, J. Fohlman, 2009, Journal of Virological Methods.

Prevalence of Campylobacter jejuni, Campylobacter lari, and Campylobacter coli in Different Ecological Guilds and Taxa of Migrating Birds

D. Hasselquist, T. Broman, B. Olsen, 2002, Applied and Environmental Microbiology.

Isolation of avian influenza viruses from two different transhemispheric migratory shorebird species in Australia

I. Barr, A. Hurt, B. Olsen, 2006, Archives of Virology.

Host Range of Influenza A Virus H1 to H16 in Eurasian Ducks Based on Tissue and Receptor Binding Studies

T. Kuiken, P. Ellström, O. Blixt, 2020, Journal of Virology.

Attachment Patterns of Human and Avian Influenza Viruses to Trachea and Colon of 26 Bird Species – Support for the Community Concept

C. Lindskog, Å. Lundkvist, P. Ellström, 2019, Front. Microbiol..

Surveillance and Analysis of Avian Infl uenza Viruses , Australia

A. Hurt, B. Olsen, D. Vijaykrishna, 2019 .

PATHOBIOLOGY AND VIRUS SHEDDING OF LOW-PATHOGENIC AVIAN INFLUENZA VIRUS (A/H1N1) INFECTION IN MALLARDS EXPOSED TO OSELTAMIVIR

J. Järhult, B. Olsen, D. Gavier-Widén, 2013, Journal of wildlife diseases.

The Pattern of Influenza Virus Attachment Varies among Wild Bird Species

T. Kuiken, P. Ellström, V. Munster, 2011, PloS one.

Influenza Virus in a Natural Host, the Mallard: Experimental Infection Data

Å. Lundkvist, J. Wahlgren, B. Olsen, 2010, PloS one.

The “human influenza receptor” Neu5Acα2,6Gal is expressed among different taxa of wild birds

P. Ellström, B. Olsen, J. Waldenström, 2009, Archives of Virology.

Sampling for low-pathogenic avian influenza A virus in wild Mallard ducks: oropharyngeal versus cloacal swabbing.

P. Ellström, J. Wahlgren, B. Olsen, 2008, Vaccine.

Compliance to Oseltamivir among Two Populations in Oxfordshire, United Kingdom Affected by Influenza A(H1N1)pdm09, November 2009 – A Waste Water Epidemiology Study

J. Fick, M. Bowes, J. Järhult, 2013, PloS one.

Epidemiology: Reactivation of Borrelia infection in birds

S. Bergström, B. Olsen, Å. Gylfe, 2000, Nature.

Does influenza A virus infection affect movement behaviour during stopover in its wild reservoir host?

W. Fiedler, K. Safi, M. Wikelski, 2016, Royal Society Open Science.

Zero prevalence of influenza A virus in two raptor species by standard screening.

B. Olsen, J. Waldenström, J. Elmberg, 2010, Vector borne and zoonotic diseases.

A reply to Flint and Franson vice versa or influenza A affect body condition of wild mallard ducks

R. Fouchier, L. Brudin, V. Munster, 2009 .

Multiple gene segment reassortment between Eurasian and American lineages of influenza A virus (H6N2) in Guillemot (Uria aalge)

A. Osterhaus, R. Fouchier, V. Munster, 2005, Archives of Virology.

Prevalence of Sindbis Virus Neutralizing Antibodies Among Swedish Passerines Indicates that Thrushes are the Main Amplifying Hosts

B. Olsen, D. Krakower, K. Lindström, 2001, Journal of medical entomology.

Prevalence of extended‐spectrum beta‐lactamase‐producing Enterobacteriaceae in healthy Swedish preschool children

B. Olsen, A. Melhus, Ylva Molin, 2013, Acta paediatrica.

Influenza A Virus in Backyard Pigs and Poultry in Rural Cambodia

M. Berg, U. Magnusson, B. Olsen, 2017, Transboundary and emerging diseases.

Detection of the Antiviral Drug Oseltamivir in Aquatic Environments

J. Fick, J. Järhult, B. Olsen, 2009, PloS one.

Co-Occurrence of Francisella, Spotted Fever Group Rickettsia, and Midichloria in Avian-Associated Hyalomma rufipes

Dawn N. Birdsell, Å. Lundkvist, M. Forsman, 2022, Microorganisms.

Alkhurma Hemorrhagic Fever Virus RNA in Hyalomma rufipes Ticks Infesting Migratory Birds, Europe and Asia Minor

Å. Lundkvist, E. Salaneck, B. Olsen, 2018, Emerging infectious diseases.

Health evaluation of wild gentoo penguins (Pygoscelis papua) in the Antarctic Peninsula

M. Kinsella, B. Olsen, G. Medina-Vogel, 2013, Polar Biology.

A novel Chlamydiaceae-like bacterium found in faecal specimens from sea birds from the Bering Sea.

B. Olsen, J. Waldenström, K. Laroucau, 2010, Environmental microbiology reports.

Staphylococcus aureus Carrying mecC Gene in Animals and Urban Wastewater , Spain

B. Olsen, J. Waldenström, J. Bonnedahl, 2019 .

The abundant free-living amoeba, Acanthamoeba polyphaga, increases the survival of Campylobacter jejuni in milk and orange juice

P. Ellström, B. Olsen, Diana Axelsson-Olsson, 2015, Infection ecology & epidemiology.

High prevalence of influenza A virus in ducks caught during spring migration through Sweden.

A. Osterhaus, R. Fouchier, Å. Lundkvist, 2006, Vaccine.

Increase in Acid Tolerance of Campylobacter jejuni through Coincubation with Amoebae

P. Ellström, B. Olsen, J. Waldenström, 2010, Applied and Environmental Microbiology.

Salmonella in Black-headed gulls (Larus ridibundus); prevalence, genotypes and influence on Salmonella epidemiology

S. Bergström, T. Broman, B. Olsen, 2005, Epidemiology and Infection.

Campylobacter jejuni Actively Invades the Amoeba Acanthamoeba polyphaga and Survives within Non Digestive Vacuoles

P. Ellström, L. Brudin, B. Olsen, 2013, PloS one.

Enteropathogenic Escherichia coli (EPEC) in Antarctic fur seals Arctocephalus gazella

B. Olsen, J. Waldenström, P. Haemig, 2007, Polar Biology.

Migratory birds as disseminators of ticks and the tick-borne pathogens Borrelia bacteria and tick-borne encephalitis (TBE) virus: a seasonal study at Ottenby Bird Observatory in South-eastern Sweden

B. Olsen, J. Waldenström, T. Jaenson, 2020, Parasites & Vectors.

Vancomycin-Resistant Enterococci, Point Barrow, Alaska, USA

B. Olsen, P. Haemig, J. Bonnedahl, 2009, Emerging infectious diseases.

Dissemination of Multidrug-Resistant Bacteria into the Arctic

B. Olsen, J. Pinhassi, G. Kahlmeter, 2008, Emerging infectious diseases.

Dissemination of Multidrug- Resistant Bacteria

B. Olsen, J. Pinhassi, G. Kahlmeter, 2008 .

Candidatus Neoehrlichia mikurensis in Ticks from Migrating Birds in Sweden

E. Salaneck, B. Olsen, J. Waldenström, 2015, PloS one.

virF-Positive Yersinia pseudotuberculosis and Yersinia enterocolitica Found in Migratory Birds in Sweden

H. Korkeala, M. Fredriksson-Ahomaa, T. Niskanen, 2003, Applied and Environmental Microbiology.

Antibiotic resistance patterns in Escherichia coli from gulls in nine European countries

B. J. McMahon, B. Hasan, B. Olsen, 2014, Infection Ecology & Epidemiology.

Molecular characterization of Borrelia burgdorferi isolated from Ixodes ricinus in northern Sweden.

S. Bergström, B. Olsen, T. Jaenson, 1992, Scandinavian journal of infectious diseases.

A Lyme borreliosis cycle in seabirds and Ixodes uriae ticks

S. Bergström, B. Olsen, T. Jaenson, 1993, Nature.

Genetic diversity and host associations in Campylobacter jejuni from human cases and broilers in 2000 and 2008.

E. Engvall, B. Olsen, J. Waldenström, 2015, Veterinary microbiology.

Campylobacter jejuni sequence types show remarkable spatial and temporal stability in Blackbirds

B. Olsen, P. Hansbro, J. Waldenström, 2015, Infection ecology & epidemiology.

Coculture with Acanthamoeba polyphaga Campylobacter jejuni Enrichment during Sequencing Reveal the Genetic Stability of Multilocus Sequence Typing and FlaA

B. Olsen, J. Waldenström, Diana Axelsson-Olsson, 2014 .

Campylobacter jejuni Colonization in Wild Birds: Results from an Infection Experiment

D. Hasselquist, P. Ellström, S. Teneberg, 2010, PloS one.

Multilocus sequence typing of Campylobacter jejuni from broilers.

E. Engvall, B. Olsen, J. Waldenström, 2010, Veterinary microbiology.

Campylobacter jejuni in Penguins, Antarctica

B. Olsen, J. Waldenström, Petra Griekspoor, 2009, Emerging infectious diseases.

Diversities and similarities in PFGE profiles of Campylobacter jejuni isolated from migrating birds and humans

T. Broman, B. Olsen, J. Waldenström, 2004, Journal of applied microbiology.

Species diversity of campylobacteria in a wild bird community in Sweden

D. Hasselquist, B. Olsen, J. Waldenström, 2007, Journal of applied microbiology.

Penicillium nalgiovense Laxa isolated from Antarctica is a new source of the antifungal metabolite amphotericin B

L. Bohlin, B. Olsen, U. Göransson, 2015, Fungal Biology and Biotechnology.

Avian Reservoirs and Zoonotic Potential of the Emerging Human Pathogen Helicobacter canadensis

D. Hasselquist, B. Olsen, J. Waldenström, 2003, Applied and Environmental Microbiology.

A real-time PCR assay for the monitoring of influenza A virus in wild birds.

Å. Lundkvist, A. Wallensten, B. Olsen, 2007, Journal of virological methods.

Feral pigeons as carriers of Cryptococcus laurentii, Cryptococcus uniguttulatus and Debaryomyces hansenii.

B. Olsen, P. Haemig, R. Mattsson, 1999, Medical mycology.

Occurrence of yeasts in faecal samples from Antarctic and South American seabirds

B. Olsen, E. Chryssanthou, J. Bonnedahl, 2011, Mycoses.

Isolation of Lyme Disease Borrelia from Puffins (Fratercula arctica) and Seabird Ticks (Ixodes uriae) on the Faeroe Islands

G. Baranton, S. Bergström, P. Weihe, 1999, Journal of Clinical Microbiology.

Molecular Typing of Mycoplasma pneumoniae Strains in Sweden from 1996 to 2017 and the Emergence of a New P1 Cytadhesin Gene, Variant 2e

B. Olsen, K. Bondeson, Karolina Gullsby, 2019, Journal of Clinical Microbiology.

First record of Lyme disease Borrelia in the Arctic.

S. Bergström, B. Olsen, Christer Larsson, 2007, Vector borne and zoonotic diseases.

Migratory Passerine Birds as Reservoirs of Lyme Borreliosis in Europe

S. Bergström, B. Olsen, A. Barbour, 2006, Emerging infectious diseases.

Quinolone-resistant Escherichia coli isolated from birds of prey in Portugal are genetically distinct from those isolated from water environments and gulls in Portugal, Spain and Sweden.

S. Bertilsson, C. Manaia, B. Hasan, 2014, Environmental microbiology.

Prevalence of Borrelia burgdorferi sensu lato-infected ticks on migrating birds

S. Bergström, B. Olsen, T. Jaenson, 1995, Applied and environmental microbiology.

Study of Oseltamivir and Zanamivir Resistance-Related Mutations in Influenza Viruses Isolated from Wild Mallards in Sweden

J. Järhult, B. Olsen, Goran Orozovic, 2014, PloS one.

Campylobacter volucris sp. nov., isolated from black-headed gulls (Larus ridibundus).

P. Vandamme, S. Bergström, L. Debruyne, 2010, International journal of systematic and evolutionary microbiology.

Antimicrobial Resistance Profiles of Campylobacter jejuni Isolates from Wild Birds in Sweden

D. Hasselquist, T. Broman, B. Olsen, 2005, Applied and Environmental Microbiology.

Salmonella Amager, Campylobacter jejuni, and Urease-positive Thermophilic Campylobacter Found in Free-flying Peregrine Falcons (Falco peregrinus) in Sweden

T. Broman, B. Olsen, H. Palmgren, 2004, Journal of wildlife diseases.

Phylogeographic relationships of Ixodes uriae (Acari: Ixodidae) and their significance to transequatorial dispersal of Borrelia garinii.

S. Bergström, B. Olsen, M. Drotz, 2004, Hereditas.

Title Antibiotic resistance patterns in Escherichia coli from gulls innine European countries

B. J. McMahon, B. Hasan, B. Olsen, 2017 .

Dissemination of Spotted Fever Rickettsia Agents in Europe by Migrating Birds

A. Sjöstedt, S. Bergström, Å. Lundkvist, 2010, PloS one.

Intestinal spirochaetes (genus Brachyspira) colonise wild birds in the southern Atlantic region and Antarctica

T. Broman, B. Olsen, D. Andersson, 2015, Infection ecology & epidemiology.

PCR-based influenza A virus surveillance in European birds

A. Osterhaus, T. Bestebroer, G. Rimmelzwaan, 2001 .

Dissemination of the multidrug-resistant extended-spectrum β-lactamase-producing Escherichia coli O25b-ST131 clone and the role of house crow (Corvus splendens) foraging on hospital waste in Bangladesh.

B. Hasan, B. Olsen, A. Melhus, 2015, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Fecal carriage of multi-drug resistant and extended spectrum β-lactamases producing E. coli in household pigeons, Bangladesh.

K. U. Ahmed, B. Hasan, B. Olsen, 2014, Veterinary microbiology.

Antimicrobial Drug–Resistant Escherichia coli in Wild Birds and Free-range Poultry, Bangladesh

Munirul Alam, B. Hasan, B. Olsen, 2012, Emerging infectious diseases.

Emergence of carbapenem-resistant Acinetobacter baumannii in hospitals in Pakistan.

B. Hasan, B. Olsen, R. Zahra, 2014, Journal of medical microbiology.

A simple method for long-term storage of Acanthamoeba species

P. Ellström, B. Olsen, J. Waldenström, 2009, Parasitology Research.

Environmental fate of the antiviral drug Tamiflu in two aquatic ecosystems.

J. Fick, B. Olsen, R. Lindberg, 2009, Chemosphere.

Geographical Distribution, Host Associations, and Vector Roles of Ticks (Acari: Ixodidae, Argasidae) in Sweden

B. Olsen, T. Jaenson, L. Lundqvist, 1994, Journal of medical entomology.

High seroprevalence of SARS-CoV-2 in elderly care employees in Sweden

Å. Lundkvist, J. Lindahl, B. Olsen, 2020, Infection ecology & epidemiology.

Circumpolar diversification of the Ixodes uriae tick virome

E. Holmes, S. Bergström, P. Ellström, 2020, bioRxiv.

Spotted fever Rickettsia species in Hyalomma and Ixodes ticks infesting migratory birds in the European Mediterranean area

E. Salaneck, B. Olsen, T. Jaenson, 2014, Parasites & Vectors.

Influenza A(H7N9) Virus Acquires Resistance-Related Neuraminidase I222T Substitution When Infected Mallards Are Exposed to Low Levels of Oseltamivir in Water

J. Järhult, B. Olsen, J. Waldenström, 2015, Antimicrobial Agents and Chemotherapy.

Dissemination of Escherichia coli with CTX-M Type ESBL between Humans and Yellow-Legged Gulls in the South of France

B. Olsen, J. Waldenström, M. Gauthier‐Clerc, 2009, PloS one.

PCR detection of Chlamydia psittaci in faecal samples from passerine birds in Sweden

B. Olsen, K. Persson, K. Broholm, 1998, Epidemiology and Infection.

Disease Dynamics and Bird Migration—Linking Mallards Anas platyrhynchos and Subtype Diversity of the Influenza A Virus in Time and Space

Steven L Van Wilgenburg, K. Hobson, R. Fouchier, 2012, PloS one.

Extended spectrum beta-lactamases detected in Escherichia coli from gulls in Stockholm, Sweden

A. Wallensten, B. Olsen, D. GONZÁLEZ-ACUÑA, 2011, Infection ecology & epidemiology.

High Prevalence of Antibiotic Resistance in Pathogenic Escherichia coli from Large- and Small-Scale Poultry Farms in Bangladesh

Munirul Alam, A. Sadique, K. U. Ahmed, 2011 .

Effects of influenza A virus infection on migrating mallard ducks

Gunnar Gunnarsson, Johan Elmberg, Lars Brudin, 2009, Proceedings of the Royal Society B: Biological Sciences.

Towards improved influenza A virus surveillance in migrating birds.

A. Osterhaus, R. Fouchier, V. Munster, 2006, Vaccine.

High Prevalence of Antibiotic Resistance in Pathogenic Escherichia coli from Large- and Small-Scale Poultry Farms in Bangladesh

Munirul Alam, A. Sadique, K. U. Ahmed, 2011, Avian diseases.

Temporal dynamics, diversity, and interplay in three components of the virodiversity of a Mallard population: Influenza A virus, avian paramyxovirus and avian coronavirus

B. Olsen, J. Waldenström, S. Larsson, 2014, Infection, Genetics and Evolution.

Isolation and Characterization ofCampylobacter jejuni subsp. jejuni from Macaroni Penguins (Eudyptes chrysolophus) in the Subantarctic Region

S. Bergström, T. Broman, B. Olsen, 2000, Applied and Environmental Microbiology.

Prevalence of Campylobacter in Wild Birds of the Mid-Atlantic Region, USA

B. Olsen, W. G. Shriver, J. Waldenström, 2011, Journal of wildlife diseases.

Influenza A virus surveillance in wild birds

Albert D. M. E. Osterhaus, A. Osterhaus, G. Rimmelzwaan, 2005 .

Ehrlichia-infected ticks on migrating birds.

S. Bergström, B. Olsen, P. Haemig, 2001, Emerging infectious diseases.

Chlamydia psittaci in Swedish Wetland Birds: A Risk to Zoonotic Infection?

B. Olsen, J. Waldenström, B. Herrmann, 2012, Avian diseases.

Migratory birds as disseminators of ticks and the tick-borne pathogens Borrelia bacteria and tick-borne encephalitis (TBE) virus: a seasonal study at Ottenby Bird Observatory in South-eastern Sweden

B. Olsen, J. Waldenström, T. Jaenson, 2020, Parasites & Vectors.

Increased mortality of black-browed albatross chicks at a colony heavily-infested with the tick Ixodes uriae.

S. Bergström, B. Olsen, P. Haemig, 1999, International journal for parasitology.

Urbanization and the dynamics of RNA viruses in Mallards (Anas platyrhynchos)

Michelle Wille, J. Järhult, B. Olsen, 2017, Infection, Genetics and Evolution.

Chlamydiaceae-like bacterium, but no Chlamydia psittaci, in sea birds from Antarctica

B. Olsen, K. Sachse, B. Herrmann, 2015, Polar Biology.

Chlamydia psittaci in birds of prey, Sweden

B. Olsen, J. Waldenström, B. Herrmann, 2012, Infection ecology & epidemiology.

How Does Sampling Methodology Influence Molecular Detection and Isolation Success in Influenza A Virus Field Studies?

B. Olsen, J. Waldenström, Alexis Avril, 2015, Applied and Environmental Microbiology.

Carriage of CTX-M type extended spectrum β-lactamases (ESBLs) in gulls across Europe

B. J. McMahon, B. Olsen, J. Waldenström, 2015, Acta Veterinaria Scandinavica.

Characterization and Comparison of Extended-Spectrum β-Lactamase (ESBL) Resistance Genotypes and Population Structure of Escherichia coli Isolated from Franklin's Gulls (Leucophaeus pipixcan) and Humans in Chile

B. Olsen, D. GONZÁLEZ-ACUÑA, A. Johansson, 2013, PloS one.

Characterization, and comparison, of human clinical and black-headed gull (Larus ridibundus) extended-spectrum beta-lactamase-producing bacterial isolates from Kalmar, on the southeast coast of Sweden.

B. Olsen, J. Hernández, A. Johansson, 2010, The Journal of antimicrobial chemotherapy.

The gull (Chroicocephalus brunnicephalus) as an environmental bioindicator and reservoir for antibiotic resistance on the coastlines of the Bay of Bengal.

Munirul Alam, B. Hasan, B. Olsen, 2014, Microbial drug resistance.

Characterization of a Pore-Forming Cytotoxin Expressed by Salmonella enterica Serovars Typhi and Paratyphi A

S. Wai, B. Uhlin, Y. Mizunoe, 2002, Infection and Immunity.

In Search of Human-associated Bacterial Pathogens in Antarctic Wildlife: Report from Six Penguin Colonies Regularly Visited by Tourists

T. Niskanen, T. Broman, B. Olsen, 2005, Ambio.

Salmonella enteritidis in Antarctica: zoonosis in man or humanosis in penguins?

S. Bergström, B. Olsen, M. Sellin, 1996, The Lancet.

Marked host specificity and lack of phylogeographic population structure of Campylobacter jejuni in wild birds

M. Maiden, N. McCarthy, D. Hasselquist, 2013, Molecular ecology.

A COMPARISON OF TWO METHODS FOR COLLECTING FEATHER LICE FROM DEAD BIRDS

B. Olsen, J. Jensen, 2003 .

A novel Salmonella serovar isolated from Peregrine Falcon (Falco peregrinus) nestlings in Sweden: Salmonella enterica enterica serovar Pajala (Salmonella Pajala)

B. Olsen, J. Waldenström, J. Hernández, 2012, Infection ecology & epidemiology.

Phylogeographic Dynamics of Influenza A(H9N2) Virus Crossing Egypt

Ruiyun Li, Å. Lundkvist, B. Olsen, 2020, Frontiers in Microbiology.

Antibiotic Resistance Patterns in Fecal Bacteria Isolated from Christmas Shearwater (Puffinus nativitatis) and Masked Booby (Sula dactylatra) at Remote Easter Island

B. Olsen, J. Waldenström, D. GONZÁLEZ-ACUÑA, 2011, Avian diseases.

The colistin resistance mcr-1 gene is going wild.

B. Olsen, D. Mevius, A. Liakopoulos, 2016, The Journal of antimicrobial chemotherapy.

Mallards and Highly Pathogenic Avian Influenza Ancestral Viruses, Northern Europe

A. Osterhaus, C. Baas, G. Rimmelzwaan, 2005, Emerging infectious diseases.

Prevalence and Phylogeny of Coronaviruses in Wild Birds from the Bering Strait Area (Beringia)

J. Blomberg, J. Wahlgren, B. Olsen, 2010, PloS one.

Antibiotic susceptibility of faecal bacteria in Antarctic penguins

T. Broman, B. Olsen, J. Waldenström, 2008, Polar Biology.

Human-Associated Extended-Spectrum β-Lactamase in the Antarctic

B. Olsen, J. Waldenström, C. Gomez-Fuentes, 2012, Applied and Environmental Microbiology.

Antimicrobial susceptibility in Escherichia coli of human and avian origin--a comparison of wild-type distributions.

B. Olsen, G. Kahlmeter, M. Sjölund, 2009, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Silver Resistance Genes Are Overrepresented among Escherichia coli Isolates with CTX-M Production

B. Olsen, L. Sandegren, S. Sütterlin, 2014, Applied and Environmental Microbiology.

Penicillium nalgiovense Laxa isolated from Antarctica is a new source of the antifungal metabolite amphotericin B

L. Bohlin, B. Olsen, U. Göransson, 2015, Fungal Biology and Biotechnology.

Acquisition and dissemination of cephalosporin-resistant E. coli in migratory birds sampled at an Alaska landfill as inferred through genomic analysis

B. Olsen, A. Ramey, C. Ahlstrom, 2018, Scientific Reports.

Unexpected high prevalence of IgG-antibodies to hepatitis E virus in Swedish pig farmers and controls

O. Weiland, A. Thelin, B. Olsen, 2006, Scandinavian journal of infectious diseases.

A high-quality genome and comparison of short- versus long-read transcriptome of the palaearctic duck Aythya fuligula (tufted duck)

W. Chow, J. Torrance, K. Howe, 2021, bioRxiv.

Migrating Birds and Tickborne Encephalitis Virus

A. Sjöstedt, S. Bergström, Å. Lundkvist, 2007, Emerging infectious diseases.

The Biological and Ecological Features of Northbound Migratory Birds, Ticks, and Tick-Borne Microorganisms in the African–Western Palearctic

Å. Lundkvist, B. Olsen, T. Hoffman, 2023, Microorganisms.

Risk indicators for the tick Ixodes ricinus and Borrelia burgdorferi sensu lato in Sweden

L. Eisen, S. Bergström, B. Olsen, 2009, Medical and veterinary entomology.

Three Babesia species in Ixodes ricinus ticks from migratory birds in Sweden

P. Forsberg, B. Olsen, J. Waldenström, 2021, Parasites & Vectors.

Red fox and tick-borne encephalitis (TBE) in humans: Can predators influence public health?

Å. Lundkvist, B. Olsen, J. Waldenström, 2008, Scandinavian journal of infectious diseases.

Surveillance of Influenza Virus A in Migratory Waterfowl in Northern Europe

Johan Elmberg, Malin Karlsson, A. Osterhaus, 2007, Emerging infectious diseases.

Towards pandemic preparedness beyond COVID-19

Å. Lundkvist, P. Ellström, J. Järhult, 2020, The Lancet Microbe.

Evidence for the Introduction, Reassortment, and Persistence of Diverse Influenza A Viruses in Antarctica

I. Barr, M. Aban, C. Baas, 2016, Journal of Virology.

Detection of Evolutionarily Distinct Avian Influenza A Viruses in Antarctica

S. Maurer-Stroh, A. Kelso, I. Barr, 2014, mBio.

Viruses in Antarctica Detection of Evolutionarily Distinct Avian Influenza A 2014

S. Maurer-Stroh, A. Kelso, I. Barr, 2014 .

Chlamydiaceae-like bacterium, but no Chlamydia psittaci, in sea birds from Antarctica

B. Olsen, K. Sachse, B. Herrmann, 2015, Polar Biology.

Resistance Mutation R292K Is Induced in Influenza A(H6N2) Virus by Exposure of Infected Mallards to Low Levels of Oseltamivir

J. Järhult, B. Olsen, J. Waldenström, 2013, PloS one.

Forecasting risk of tick-borne encephalitis (TBE): Using data from wildlife and climate to predict next year's number of human victims

Jonas Kindberg, J. Kindberg, Å. Lundkvist, 2011, Scandinavian journal of infectious diseases.

COVID-19—a very visible pandemic

J. Lötvall, T. Hedner, J. Frisén, 2020, The Lancet.

Detection of Resistance Mutations to Antivirals Oseltamivir and Zanamivir in Avian Influenza A Viruses Isolated from Wild Birds

J. Lennerstrand, B. Olsen, Goran Orozovic, 2011, PloS one.

Evolutionary features of a prolific subtype of avian influenza A virus in European waterfowl

O. Pybus, R. Fouchier, B. Olsen, 2021, bioRxiv.

Association between guilds of birds in the African-Western Palaearctic region and the tick species Hyalomma rufipes, one of the main vectors of Crimean-Congo hemorrhagic fever virus

Å. Lundkvist, A. Onrubia, B. Olsen, 2021, One health.

A divergent Anaplasma phagocytophilum variant in an Ixodes tick from a migratory bird; Mediterranean basin

Å. Lundkvist, E. Salaneck, B. Olsen, 2020, Infection ecology & epidemiology.

Outbreaks of highly pathogenic avian influenza in Europe: the risks associated with wild birds.

W. Hagemeijer, R. Fouchier, D. Bicout, 2009, Revue scientifique et technique.

Pronounced difference in Covid-19 antibody prevalence indicates cluster transmission in Stockholm, Sweden

Å. Lundkvist, B. Olsen, S. Hanson, 2020, Infection ecology & epidemiology.

Influenza A virus evolution and spatio-temporal dynamics in Eurasian wild birds: a phylogenetic and phylogeographical study of whole-genome sequence data

Timothy B. Stockwell, Gavin J. D. Smith, T. Stockwell, 2015, The Journal of general virology.

Transhemispheric exchange of Lyme disease spirochetes by seabirds

S. Bergström, B. Olsen, T. Jaenson, 1995, Journal of clinical microbiology.

Complex Population Structure of Lyme Borreliosis Group Spirochete Borrelia garinii in Subarctic Eurasia

S. Bergström, A. Wallensten, B. Olsen, 2009, PloS one.

The role of birds in the ecology and epidemiology of Lyme borreliosis and ehrlichiosis. Review series

B. Olsen, 2003 .

Where do all the subtypes go? Temporal dynamics of H8–H12 influenza A viruses in waterfowl

O. Pybus, R. Fouchier, J. Raghwani, 2018, Virus evolution.

Health evaluation of wild gentoo penguins (Pygoscelis papua) in the Antarctic Peninsula

M. Kinsella, B. Olsen, G. Medina-Vogel, 2013, Polar Biology.

Phylogenetic analysis of the non-structural (NS) gene of influenza A viruses isolated from mallards in Northern Europe in 2005

G. Czifra, M. Berg, B. Olsen, 2008, Virology Journal.

Comparison of Extended-Spectrum β-Lactamase (ESBL) CTX-M Genotypes in Franklin Gulls from Canada and Chile

B. Olsen, J. Waldenström, J. Bonnedahl, 2015, PloS one.

Molecular Characterization of Extended-Spectrum-Cephalosporin-Resistant Enterobacteriaceae from Wild Kelp Gulls in South America

B. Olsen, D. Mevius, K. Artursson, 2016, Antimicrobial Agents and Chemotherapy.

Antimicrobial activity of filamentous fungi isolated from highly antibiotic-contaminated river sediment

D. Larsson, H. El‐Seedi, L. Bohlin, 2012, Infection ecology & epidemiology.

COVID-19—a very visible pandemic

Å. Lundkvist, J. Lindahl, B. Olsen, 2020, The Lancet.

Evaluation and optimization of microbial DNA extraction from fecal samples of wild Antarctic bird species

P. Ellström, B. Olsen, D. GONZÁLEZ-ACUÑA, 2017, Infection ecology & epidemiology.

Campylobacter subantarcticus sp. nov., isolated from birds in the sub-Antarctic region.

P. Vandamme, S. Bergström, L. Debruyne, 2010, International journal of systematic and evolutionary microbiology.

Mounting evidence for the presence of influenza A virus in the avifauna of the Antarctic region

A. Osterhaus, R. Fouchier, T. Broman, 2006, Antarctic Science.

The Potential of Isolation Source to Predict Colonization in Avian Hosts: A Case Study in Campylobacter jejuni Strains From Three Bird Species

S. Sheppard, P. Ellström, J. Järhult, 2018, Front. Microbiol..

Characterization of avian influenza virus attachment patterns to human and pig tissues

C. Lindskog, Å. Lundkvist, P. Ellström, 2018, Scientific Reports.

Movements, Home-Range Size and Habitat Selection of Mallards during Autumn Migration

W. Fiedler, K. Safi, M. Wikelski, 2014, PloS one.

Intra- and Inter-Pandemic Variations of Antiviral, Antibiotics and Decongestants in Wastewater Treatment Plants and Receiving Rivers

J. Fick, M. Bowes, J. Järhult, 2014, PloS one.

Dissipation and removal of oseltamivir (Tamiflu) in different aquatic environments.

Jerker Fick, J. Fick, B. Olsen, 2010, Chemosphere.

Antiviral Oseltamivir Is not Removed or Degraded in Normal Sewage Water Treatment: Implications for Development of Resistance by Influenza A Virus

Mats Tysklind, Jerker Fick, M. Tysklind, 2007, PloS one.

Salmonella in Birds Migrating through Sweden

B. Olsen, H. Palmgren, J. Waldenström, 2003, Emerging infectious diseases.

Amoebae and algae can prolong the survival of Campylobacter species in co-culture.

P. Ellström, B. Olsen, J. Waldenström, 2010, Experimental parasitology.

Acquisition and dissemination of cephalosporin-resistant E. coli in migratory birds sampled at an Alaska landfill as inferred through genomic analysis

B. Olsen, A. Ramey, C. Ahlstrom, 2018, Scientific Reports.

Satellite tracking of gulls and genomic characterization of faecal bacteria reveals environmentally mediated acquisition and dispersal of antimicrobial‐resistant Escherichia coli on the Kenai Peninsula, Alaska

D. Douglas, B. Olsen, John A. Reed, 2019, Molecular ecology.

Extended-Spectrum β-Lactamases in Escherichia coli and Klebsiella pneumoniae in Gulls, Alaska, USA

B. Olsen, J. Waldenström, J. Bonnedahl, 2014, Emerging infectious diseases.

Genomically diverse carbapenem resistant Enterobacteriaceae from wild birds provide insight into global patterns of spatiotemporal dissemination.

B. Hasan, B. Olsen, L. Sandegren, 2022, The Science of the total environment.

European H16N3 Gull Influenza Virus Attaches to the Human Respiratory Tract and Eye

C. Lindskog, F. Pontén, T. Kuiken, 2013, PloS one.

Zero prevalence of vancomycin-resistant enterococci among Swedish preschool children.

B. Hasan, B. Olsen, Mahmudur Rashid, 2015, Microbial Drug Resistance.

Dissemination of NDM-1.

Munirul Alam, B. Hasan, B. Olsen, 2012, Lancet. Infectious Diseases (Print).

Heterosubtypic Immunity to Influenza A Virus Infections in Mallards May Explain Existence of Multiple Virus Subtypes

A. Osterhaus, R. Fouchier, V. Munster, 2013, PLoS pathogens.

Oseltamivir-Resistant Influenza A (H1N1) Virus Strain with an H274Y Mutation in Neuraminidase Persists without Drug Pressure in Infected Mallards

J. Järhult, B. Olsen, J. Waldenström, 2015, Applied and Environmental Microbiology.

Oseltamivir-Resistant Influenza A ( H 1 N 1 ) / NAH 274 Y Persists Without Drug Pressure in 1 Infected Mallards

J. Järhult, B. Olsen, J. Waldenström, 2015 .

Long-term variation in influenza A virus prevalence and subtype diversity in migratory mallards in northern Europe

A. Osterhaus, R. Fouchier, B. Olsen, 2014, Proceedings of the Royal Society B: Biological Sciences.

Environmental Levels of the Antiviral Oseltamivir Induce Development of Resistance Mutation H274Y in Influenza A/H1N1 Virus in Mallards

J. Fick, J. Lennerstrand, Å. Lundkvist, 2011, PloS one.

Surveillance and Analysis of Avian Influenza Viruses, Australia

A. Hurt, B. Olsen, D. Vijaykrishna, 2010, Emerging infectious diseases.

Surveillance for West Nile virus in wild birds from northern Europe.

Z. Hubálek, Å. Lundkvist, B. Olsen, 2011, Vector borne and zoonotic diseases.

Breeding consequences of flavivirus infection in the collared flycatcher

L. Gustafsson, Å. Lundkvist, B. Olsen, 2018, BMC Evolutionary Biology.

Avian Influenza Virus (H5N1) Mortality Surveillance

B. Olsen, Nicholas Komar, N. Komar, 2008, Emerging infectious diseases.

Degenerate primers for PCR amplification and sequencing of the avian influenza A neuraminidase gene.

J. Wahlgren, B. Olsen, S. Muradrasoli, 2010, Journal of virological methods.

Globally disseminated human pathogenic Escherichia coli of O25b-ST131 clone, harbouring blaCTX-M-15 , found in Glaucous-winged gull at remote Commander Islands, Russia.

A. Wallensten, B. Olsen, A. Johansson, 2010, Environmental microbiology reports.

Prevalence of Borrelia burgdorferi sensu lato-infected ticks on migrating birds

S. Bergström, B. Olsen, T. Jaenson, 1995 .

Frequency and patterns of reassortment in natural influenza A virus infection in a reservoir host.

B. Olsen, J. Waldenström, Alexis Avril, 2013, Virology.

Breeding consequences of flavivirus infection in the collared flycatcher

L. Gustafsson, Å. Lundkvist, B. Olsen, 2018, BMC Evolutionary Biology.

A Comparison of Host Responses to Infection with Wild-Type Avian Influenza Viruses in Chickens and Tufted Ducks

C. Lindskog, Å. Lundkvist, J. Järhult, 2023, Microbiology spectrum.

Induction of Gliotoxin Secretion in Aspergillus fumigatus by Bacteria-Associated Molecules

A. Strömstedt, B. Olsen, U. Göransson, 2014, PloS one.

Canary finches (Serinus canaria) as an avian infection model for Lyme borreliosis.

S. Bergström, B. Olsen, Å. Gylfe, 1996, Microbial pathogenesis.

Oseltamivir-Resistant Influenza A (H1N1) Virus Strain with an H274Y Mutation in Neuraminidase Persists without Drug Pressure in Infected Mallards

J. Järhult, B. Olsen, J. Waldenström, 2015, Applied and Environmental Microbiology.

Globally disseminated human pathogenic Escherichia coli of O25b-ST131 clone, harbouring blaCTX-M-15 , found in Glaucous-winged gull at remote Commander Islands, Russia.

A. Wallensten, B. Olsen, A. Johansson, 2010, Environmental microbiology reports.

B. Olsen, A. Johansson, A. Melhus, 2010, The Journal of antimicrobial chemotherapy.

Parachlamydiaceae as Rare Agents of Pneumonia

B. Olsen, H. Palmgren, J. Waldenström, 2003 .

Barn swallows (Hirundo rustica) test negative for Salmonella.

B. Olsen, J. Waldenström, P. Haemig, 2008, Vector borne and zoonotic diseases.

Sampling for low-pathogenic avian influenza A virus in wild Mallard ducks: oropharyngeal versus cloacal swabbing.

J. Wahlgren, B. Olsen, J. Waldenström, 2008, Vaccine.

Human-Associated Extended-Spectrum β-Lactamase in the Antarctic

B. Olsen, J. Waldenström, C. Gomez-Fuentes, 2012, Applied and Environmental Microbiology.

Birds and Viruses at a Crossroad - Surveillance of Influenza A Virus in Portuguese Waterfowl

B. Olsen, J. Waldenström, C. Lebarbenchon, 2012, PloS one.

Surveillance for West Nile virus in wild birds from northern Europe.

Z. Hubálek, Å. Lundkvist, B. Olsen, 2011, Vector borne and zoonotic diseases.