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...

UK: Pandemic record Covid infection rates in Scotland, Wales and Northern Ireland

Data from the ZOE Covid-19 app today shows that there are pandemic record Covid incidence rates in Scotland, Wales and Northern Ireland.  More...