Twitter locked and later suspended the account of Dr. Kat Lindley: Dr. Kat Lindley tweeted a warning to users claiming the smallpox vaccine could prevent monkeypox. According to a screenshot posted by another user she tweeted: "Listen to @PAlexanderPhD Smallpox vaccine to prevent monkeypox could cause global smallpox (vaccinia) epidemic; I warn, do not be that stupid, understand you have damaged the immune systems of m (b)illions with COVID Vaccines." The screenshot shows that Twitter removed the tweet and locked her account for "violating the policy on spreading misleading and potentially harmful information related to COVID-19." It is unclear how long her account was locked but as of June 3, her account is suspended.