Diseases, Conditions, Syndromes

Coronavirus: once you have antibodies, are you safe?

Patrick Vallance, chief scientific adviser to the UK government, recently said that many groups are working on blood tests for COVID-19, adding: "That would tell us who has had it and now has antibodies, therefore won't catch ...

Diseases, Conditions, Syndromes

Why are some COVID-19 infected people asymptomatic?

Researchers worldwide have been surprised to see that individuals can be infected with the SARS-CoV-2 virus—the virus that produces COVID-19—without showing symptoms. Since these individuals expose others to infection ...

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