COVID-19 is caused by infection with the severe acute respiratory syndrome coronavirus 2, also called SARS-CoV-2. The coronavirus spreads mainly from person to person, even from someone who is infected but has no symptoms.
Mar 27, 2024
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Mar 16, 2022 · Research evidence suggests that SARS-CoV and MERS-CoV originated in bats. SARS-CoV then spread from infected civets to people, ...
Nov 21, 2023 · Coronaviruses are a big family of different viruses. Some of them cause the common cold in people. Others infect animals, including bats, ...