Follow

> We investigated the presence of SARS-CoV-2 [...] antibodies in blood samples of 959 asymptomatic individuals enrolled in a prospective lung cancer screening trial between September 2019 and March 2020 [...]. SARS-CoV-2 RBD-specific antibodies were detected in 111 of 959 (11.6%) individuals, starting from September 2019 (14%), with a cluster of positive cases (>30%) in the second week of February 2020 and the highest number (53.2%) in Lombardy.

journals.sagepub.com/doi/full/

That sample size is large enough to make fairly confident statements about infections and immunity among the entire Italian population over that period of time.

Show thread
Sign in to participate in the conversation
kosmos.social

The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!