UK: Half a million people have sought Long Covid advice

Asthma and Lung UK said that over the last six months about half a million had visited its long COVID advice pages or called its helpline – and some sufferers are considering buying their own oxygen supplies....More...

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...

FFP2 masks more effective at preventing Covid infection than vaccines

Max Planck: “When both wear a surgical mask, while the infectious is speaking, the very conservative upper bound remains below 30% after 1 h, but, when both wear a well-fitting FFP2 mask, it is 0.4%”

We find, for a typical SARS-CoV-2 viral load and infectious dose, that social distancing alone, even at 3.0 m between two speaking individuals, leads to an upper bound of 90% for risk of infection after a few minutes....More...