A US study found that about half of patients shed traces of Covid-19 in their waste in the week after infection, and almost 4 per cent patients still emit them seven months later.
On Nov. 12, 2019, more than a month before the first "case" of the Wuhan coronavirus (Covid-19) appeared in communist China, a company called Labyrinth Global Health Inc. was awarded a [.]
While the Omicron coronavirus variant is widely considered less likely to cause severe disease and require hospital treatment, Julkunen and Olli Vapalahti, professor of zoonotic virology at the University of Helsinki, agree that Omicron is not harmless.