Facebook has become more aggressive at enforcing its coronavirus misinformation policies in the past year. But the platform remains a popular destination for people discussing how to acquire and use ivermectin, a drug typically used to treat parasitic worms, even though the Food and Drug Administration has warned people against taking it to treat Covid-19.Facebook has taken down a handful of the groups dedicated to these discussions. But dozens more remain up, according to recent research. In some of those groups, members discuss strategies to evade the social network’s rules.Media Matters for America, a liberal watchdog group, …
