Blood donation sero-survey shows Americans with COVID-19 antibodies increased from 20.5% to 83.3% after the rollout of COVID-19 vaccines. User 1000000students, in the Kids corona virus subreddit, 04 Sep 2021
Blood donation sero-survey shows Americans with COVID-19 antibodies increased from 20.5% to 83.3% after the rollout of COVID-19 vaccines. User 1000000students, in the Rural Farm Country News AGTwitter subreddit, 04 Sep 2021
Blood donation sero-survey shows Americans with COVID-19 antibodies increased from 20.5% to 83.3% after the rollout of COVID-19 vaccines. User 1000000students, in the Rural Farm Country News AGTwitter subreddit, 04 Sep 2021
Blood donation sero-survey shows Americans with COVID-19 antibodies increased from 20.5% to 83.3% after the rollout of COVID-19 vaccines. User PHealthy, in the Reddit Science subreddit, 02 Sep 2021
Estimated US Infection- and Vaccine-Induced SARS-CoV-2 Seroprevalence Based on Blood Donations, July 2020-May 2021 User likeahurricane, in the COVID-19 subreddit, 02 Sep 2021