Routine SARS-CoV-2 testing frequency and risk of severe COVID-19: A nationwide population-based study

Laith J Abu-Raddad1, Houssein H Ayoub2, Peter Coyle3

  • 1Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Cornell University, Doha, Qatar; Department of Population Health Sciences, Weill Cornell Medicine, Cornell University, New York, New York, USA; Department of Public Health, College of Health Sciences, QU Health, Qatar University, Doha, Qatar; College of Health and Life Sciences, Hamad bin Khalifa University, Doha, Qatar.

Abstract

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