A total of 463,267 COVID-19 deaths were recorded in 2021, which was the deadliest year for the virus in the U.S. Confirmed deaths have been falling since, plunging from 246,272 in 2022 to 76,042 ...

SARS-CoV-2, the virus responsible for COVID-19, is widespread among wildlife species, according to new research. The virus was detected in six common backyard species, and antibodies indicating ...

Early in the beginning of the COVID-19 pandemic, scientists predicted the SARS-CoV-2 virus would mutate slowly. They were wrong. Hundreds of thousands of viral mutations and multiple seasonal ...