Here's what is known about the new Covid XFG, or 'Stratus', variant from UK cases and symptoms to what the World Health ...

Most scientific data supports the hypothesis that the new coronavirus jumped to humans from animals, according to the final ...

WHO remains open to all hypotheses on the origins of Covid-19, including zoonotic spillover and lab leak theories.

All hypotheses on how the Covid-19 pandemic began remain open, the World Health Organization said yesterday, following an ...

Five years after COVID-19 struck the world, the origins of the virus remain unknown. A report released by the World Health ...

The zoonotic spillover theory suggests that SARS-CoV-2, a virus that infects primarily animals, was passed on to humans at a wet market in Wuhan, China. The lab theory speculates that the virus leaked ...

The origins of SARS-CoV-2 remain unsolved, concludes the full report from the World Health Organization’s Scientific Advisory Group for the Origins of Novel Pathogens (SAGO).1 Despite more than three ...

A LEADING theory that the Covid pandemic originated from a lab leak in China cannot be ruled out, the World Health ...

The WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO), a panel of 27 independent, international, ...