The question of the origin of SARS-CoV-2 continues to occupy scientists, the media, and the public intensely even 5 years after the onset of the COVID-19 pandemic. Where the virus came from, when and ...

Newly revealed documents show that Dr. Anthony Fauci, former head of the National Institute of Allergy and Infectious ...

Since the SARS-CoV-2 pandemic began three years ago, its origin has been a topic of much scientific — and political — debate. Two main theories exist: The virus spilled over from an animal into people ...

Even though early generations of SARS-CoV-2 vaccines and boosters have been extremely successful, viral evolution and the emergence of immune evasion have made subsequent vaccines more difficult to ...