USA: ABC reporter tests positive for Covid-19 after White House Correspondents’ Dinner *1 UPDATE*

In the least surprising news of 2022, ABC News’ Chief Washington Correspondent Jonathan Karl has tested positive for Covid-19 days after sitting next to Kim Kardashian at the White House Correspondents’ Dinner and interacting with President Joe Biden.  More...

Up to one hundred times more super-spreaders with Omicron

“A much larger proportion of individuals infected with the new variants are high, very high or super-emitters of airborne viruses: for the original wild type, one in 1,000 infected was a super-emitter; for Delta one in 30; and for Omicron one in 20 or one in 10, depending on the viral load estimate used.  More...

Preprint: Omicron BA.1 infection in mink leads to symptomatic disease with lung pathology and transmission

Experimental infection of American mink with SARS-CoV-2 Omicron variant BA.1 show that minks remain virus RNA positive for days, develop clinical signs and histopathological changes, and transmit the virus to uninfected recipient.  More...