Risk Factors

Research examining risk factors for infection and severe symptoms

Published and Preprint Papers

Risk Factors

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age, diabetes, hypertension

Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study.

Community and Close Contact Exposures Associated with COVID-19 Among Symptomatic Adults ≥18 Years in 11 Outpatient Health Care Facilities - United States, July 2020.

age, biological sex, social deprivation

Risk of mortality in patients infected with SARS-CoV-2 variant of concern 202012/1: matched cohort study.

age, biological sex, social deprivation

Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study.

age, biological sex, social deprivation

Increased mortality in community-tested cases of SARS-CoV-2 lineage B.1.1.7.

Physical inactivity is associated with a higher risk for severe COVID-19 outcomes: a study in 48 440 adult patients.

Symptom Duration and Risk Factors for Delayed Return to Usual Health Among Outpatients with COVID-19 in a Multistate Health Care Systems Network - United States, March-June 2020.

age, diabetes, hypertension, obesity

Presenting Characteristics, Comorbidities, and Outcomes Among 5700 Patients Hospitalized With COVID-19 in the New York City Area.

age, biological sex

Assessment of protection against reinfection with SARS-CoV-2 among 4 million PCR-tested individuals in Denmark in 2020: a population-level observational study.

age, biological sex, obesity

Risk factors and disease profile of post-vaccination SARS-CoV-2 infection in UK users of the COVID Symptom Study app: a prospective, community-based, nested, case-control study.