The scientific production during 2009 swine flu pandemic and 2019/2020 COVID-19 pandemic

[1]  The Lancet Editors.  Expression of concern: Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis , 2020, The Lancet.

[2]  G. Koh,et al.  Faculty Opinions recommendation of Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis. , 2020 .

[3]  Jeffrey Brainard,et al.  Scientists are drowning in COVID-19 papers. Can new tools keep them afloat? , 2020 .

[4]  K. Stange,et al.  Physical Distancing With Social Connectedness , 2020, The Annals of Family Medicine.

[5]  Amit N. Patel,et al.  RETRACTED: Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis , 2020, The Lancet.

[6]  Yi Wang,et al.  Remdesivir in adults with severe COVID-19: a randomised, double-blind, placebo-controlled, multicentre trial , 2020, The Lancet.

[7]  S. Scarlata,et al.  COVID‐19 diagnosis and management: a comprehensive review , 2020, Journal of internal medicine.

[8]  D. S. Malay.  COVID-19, Pandemic, and Social Distancing , 2020, The Journal of Foot and Ankle Surgery.

[9]  F. Marson.  Um milhão de casos de COVID-19 , 2020 .

[10]  Qiongjing Yuan,et al.  The epidemiology and clinical information about COVID-19 , 2020, European Journal of Clinical Microbiology & Infectious Diseases.

[11]  B. Liang,et al.  Clinical characteristics of coronavirus disease 2019 (COVID-19) in China: A systematic review and meta-analysis , 2020, Journal of Infection.

[12]  T. Nakaya,et al.  Adoption of personal protective measures by ordinary citizens during the COVID-19 outbreak in Japan , 2020, International Journal of Infectious Diseases.

[13]  Bolin Wang,et al.  Does comorbidity increase the risk of patients with COVID-19: evidence from meta-analysis , 2020, Aging.

[14]  André Machado Siqueira,et al.  Effect of High vs Low Doses of Chloroquine Diphosphate as Adjunctive Therapy for Patients Hospitalized With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection: A Randomized Clinical Trial. , 2020, JAMA network open.

[15]  A. Aldhahir,et al.  Prevalence, Severity and Mortality associated with COPD and Smoking in patients with COVID-19: A Rapid Systematic Review and Meta-Analysis , 2020, medRxiv.

[16]  Dae-Gyun Ahn,et al.  Current Status of Epidemiology, Diagnosis, Therapeutics, and Vaccines for Novel Coronavirus Disease 2019 (COVID-19) , 2020, Journal of microbiology and biotechnology.

[17]  Maria Elena Bottazzi,et al.  The SARS-CoV-2 Vaccine Pipeline: an Overview , 2020, Current Tropical Medicine Reports.

[18]  Guillermo J. Lagos-Grisales,et al.  Clinical, laboratory and imaging features of COVID-19: A systematic review and meta-analysis , 2020, Travel Medicine and Infectious Disease.

[19]  Fares Alahdab,et al.  New evidence pyramid , 2016, Evidence-Based Medicine.