Preprint: Duration of immune protection of SARS-CoV-2 natural infection against reinfection

“Effectiveness of primary infection against severe, critical, or fatal COVID-19 reinfection was 97.3% (95% CI: 94.9- 98.6%), irrespective of the variant of primary infection or reinfection, and with no evidence for waning.”  More...

Preprint: Mink can be infected by Omicron and efficiently transmit the virus to other mink

To study whether mink can transmit Omicron, we placed 2 uninfected indirect contact mink in separate cages 10–20 cm from the cages of the infected mink and followed their progress for 10 days.  More...