Cecilia Okusi

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

Simon de Lusignan, Jienchi Dorward, Ana Correa et al. · The Lancet Infectious Diseases · 2020 · 665 citations · Full text

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

Simon de Lusignan, Jamie Lopez Bernal, Maria Zambon et al. · JMIR Public Health and Surveillance · 2020 · 84 citations · Full text

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

Simon de Lusignan, Nicholas Jones, Jienchi Dorward et al. · JMIR Public Health and Surveillance · 2020 · 77 citations · Full text

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

Mark Joy, Richard Hobbs, Jamie Lopez Bernal et al. · British Journal of General Practice · 2020 · 67 citations · Full text

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

Simon de Lusignan, Harshana Liyanage, Dylan McGagh et al. · JMIR Public Health and Surveillance · 2020 · 58 citations · Full text