Categories Articles Facebook said an article that suggested the COVID-19 vaccine could be deadly was the most popular link on the site from January to March Post author By crystalg Post date August 21, 2021 Business Insider Business Insider Tags article, could, COVID19, deadly, Facebook, from, January, link, march, most, Popular, said, site, Suggested, Vaccine ← How negative thinking influences entrepreneurs → Assigned school seats promote unlikely friendships