Updates from Brazil (Manaus) and Sweden.



https://www.dailymail.co.uk/news/article-8760031/Expert-claims-Sweden-herd-immunity-coronavirus.html
https://www.medrxiv.org/content/10.1101/2020.09.16.20194787v1.full.pdf
https://www.nature.com/articles/s41591-020-1026-x