Why can you still smell things wearing an effective mask? (Thread by @jeffgilchrist)
COVID patients exhale up to 1,000 copies of virus per minute during first eight days of symptoms
Infectious particles of the SARS-CoV-2 virus isolated from hospital air
COVID vs. Flu: Which Is Deadlier?
Feb. 17, 2023 – COVID-19 remains deadlier than influenza in severe cases requiring hospitalization, a new study shows.
We Now Face an Army of COVID Viruses | The Tyee
Does prior omicron infection shield against future infection? Maybe not, new research finds
‘Pirola’ BA.2.86 may not be a ‘black swan’ event like Omicron, experts say. It’s what could spawn from it that has them worried