Cecilia Okusi

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In-pandemic development of an application ontology for COVID-19 surveillance in a primary care sentinel network.

J. Pell, S. de Lusignan, T. Fahey, 2020, JMIR public health and surveillance.

Excess mortality in the first COVID pandemic peak: cross-sectional analyses of the impact of age, sex, ethnicity, household size, and long-term conditions in people of known SARS-CoV-2 status in England

S. de Lusignan, D. McGagh, R. Byford, 2020, The British journal of general practice : the journal of the Royal College of General Practitioners.

Risk factors for SARS-CoV-2 among patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre primary care network: a cross-sectional study

Joanna Ellis, Oluwafunmi Akinyemi, Mark Joy, 2020, The Lancet Infectious Diseases.

Emergence of a Novel Coronavirus (COVID-19): Protocol for Extending Surveillance Used by the Royal College of General Practitioners Research and Surveillance Centre and Public Health England

Joanna Ellis, Harshana Liyanage, Oluwafunmi Akinyemi, 2020, JMIR public health and surveillance.

Remote COVID-19 Assessment in Primary Care (RECAP) risk prediction tool: derivation and real-world validation studies

S. de Lusignan, T. Greenhalgh, B. Delaney, 2021, The Lancet Digital Health.

Influenza and Respiratory Virus Surveillance, Vaccine Uptake, and Effectiveness at a Time of Cocirculating COVID-19: Protocol for the English Primary Care Sentinel System for 2020-2021 (Preprint)

S. de Lusignan, Gillian E. Smith, H. Liyanage, 2020 .

Differences in Clinical Presentation With Long COVID After Community and Hospital Infection and Associations With All-Cause Mortality: English Sentinel Network Database Study

S. de Lusignan, T. Greenhalgh, V. Curcin, 2022, JMIR Public Health and Surveillance.

Assessing the Clinical and Socioeconomic Burden of Respiratory Syncytial Virus in Children Aged Under 5 Years in Primary Care: Protocol for a Prospective Cohort Study in England and Report on the Adaptations of the Study to the COVID-19 Pandemic

S. de Lusignan, Cecilia Okusi, J. Paget, 2022, JMIR research protocols.

The impact of primary care supported shielding on the risk of mortality in people vulnerable to COVID-19: English sentinel network matched cohort study

S. de Lusignan, H. Liyanage, D. McGagh, 2020, Journal of Infection.

Developing a Long COVID Phenotype for Postacute COVID-19 in a National Primary Care Sentinel Cohort: Observational Retrospective Database Analysis

S. de Lusignan, T. Greenhalgh, V. Curcin, 2022, JMIR public health and surveillance.

Representativeness, Vaccination Uptake, and COVID-19 Clinical Outcomes 2020-2021 in the UK Oxford-Royal College of General Practitioners Research and Surveillance Network: Cohort Profile Summary

William H. Elson, S. de Lusignan, D. Todkill, 2022, JMIR public health and surveillance.

COVID-19 Surveillance in a Primary Care Sentinel Network: In-Pandemic Development of an Application Ontology

Oscar Tamburis, Harshana Liyanage, John Williams, 2020, JMIR Public Health and Surveillance.

Disparities in the excess risk of mortality in the first wave of COVID-19: Cross sectional study of the English sentinel network

S. de Lusignan, H. Liyanage, D. McGagh, 2020, Journal of Infection.

COVID-19 Surveillance in a Primary Care Sentinel Network: In-Pandemic Development of an Application Ontology

J. Pell, S. de Lusignan, T. Fahey, 2020, JMIR public health and surveillance.

Sociodemographic disparities in COVID-19 seroprevalence across England in the Oxford RCGP primary care sentinel network

R. Byford, Cecilia Okusi, J. Sherlock, 2022, Journal of Infection.

Influenza and Respiratory Virus Surveillance, Vaccine Uptake, and Effectiveness at a Time of Cocirculating COVID-19: Protocol for the English Primary Care Sentinel System for 2020-2021

S. de Lusignan, H. Liyanage, D. McGagh, 2020, JMIR public health and surveillance.

Influenza and Respiratory Virus Surveillance, Vaccine Uptake, and Effectiveness at a Time of Cocirculating COVID-19: Protocol for the English Primary Care Sentinel System for 2020-2021

H. Liyanage, D. McGagh, R. Byford, 2020, JMIR public health and surveillance.

COVID-19 Surveillance in a Primary Care Sentinel Network: In-Pandemic Development of an Application Ontology (Preprint)

S. de Lusignan, T. Fahey, T. Greenhalgh, 2020 .

Understanding the neuroprotective effect of tranexamic acid: an exploratory analysis of the CRASH-3 randomised trial.

Janeen R. Adil, P. Sandercock, Amit Thapa, 2020, Critical care.

The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms (Preprint)

Alex J. Elliot, Harshana Liyanage, Chris Bates, 2020 .

The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms

Harshana Liyanage, Oluwafunmi Akinyemi, Mark Joy, 2020, JMIR public health and surveillance.

Emergence of a Novel Coronavirus (COVID-19): Protocol for Extending Surveillance Used by the Royal College of General Practitioners Research and Surveillance Centre and Public Health England

S. de Lusignan, A. Charlett, H. Liyanage, 2020, JMIR public health and surveillance.

Using an Ontology to Facilitate More Accurate Coding of Social Prescriptions Addressing Social Determinants of Health: Feasibility Study (Preprint)

S. de Lusignan, H. Liyanage, Cecilia Okusi, 2020 .

Using an Ontology to Facilitate More Accurate Coding of Social Prescriptions Addressing Social Determinants of Health: Feasibility Study

S. de Lusignan, H. Liyanage, Cecilia Okusi, 2020, Journal of medical Internet research.

COVID-19 vaccine effectiveness against hospitalisation and death of people in clinical risk groups during the Delta variant period: English primary care network cohort study.

William H. Elson, R. Byford, Cecilia Okusi, 2023, The Journal of infection.

Cecilia Okusi, S. Lusignan, Sneha N Anand, 2022 .

Influenza and Respiratory Virus Surveillance, Vaccine Uptake, and Effectiveness at a Time of Cocirculating COVID-19: Protocol for the English Primary Care Sentinel System for 2020-2021 (Preprint)

S. de Lusignan, H. Liyanage, D. McGagh, 2020 .

The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms (Preprint)

H. Liyanage, R. Byford, Cecilia Okusi, 2020 .

Postpandemic Sentinel Surveillance of Respiratory Diseases in the Context of the World Health Organization Mosaic Framework: Protocol for a Development and Evaluation Study Involving the English Primary Care Network 2023-2024

R. Byford, Cecilia Okusi, E. Linley, 2023, JMIR public health and surveillance.