Diseases, Conditions, Syndromes

COVID-19 reinfection rate less than 1% for those with severe illness

A review of more than 9,000 U.S. patients with severe COVID-19 infection showed less than 1% contracted the illness again, with an average reinfection time of 3.5 months after an initial positive test. Those are the findings ...

Diseases, Conditions, Syndromes

New variants raise worry about COVID-19 virus reinfections

Evidence is mounting that having COVID-19 may not protect against getting infected again with some of the new variants. People also can get second infections with earlier versions of the coronavirus if they mounted a weak ...

Diseases, Conditions, Syndromes

Will the COVID-19 virus become endemic?

A new article by Columbia Mailman School researchers Jeffrey Shaman and Marta Galanti explores the potential for the COVID-19 virus to become endemic, a regular feature producing recurring outbreaks in humans. They identify ...

Diseases, Conditions, Syndromes

Covid reinfections are possible. Should we worry?

The patient walked into the Washoe County community testing station in the US state of Nevada on April 18 with a sore throat, dry cough and a headache, but no reason to worry.

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