COVID-19 signs, symptoms and severity of disease: A clinician guide
Government of Canada
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The information below is based on currently available scientific evidence and informed by expert opinion, and is subject to change as new information becomes available. The contents provide clinicians with interim information on what is presently known about the clinical features of COVID-19, including presentation, risk factors and the spectrum of disease severity. COVID-19 is the disease caused by SARS-CoV-2 coronavirus, a new virus that was first recognized in Wuhan, China, in December 2019.