Twitter places warning label on Steve Kirsch tweet discussing links between the COVID-19 vaccines and cancers: Steve Kirsch, founder of the Vaccine Safety Research Foundation and the COVID-19 Early Treatment Fund tweeted an article he wrote entitled "Cancers coming back with a vengeance is very common after the COVID vax," according to screenshots he posted on his Substack newsletter. The purported screenshots show that Twitter placed a warning label over the tweet calling the content "[m]isleading" and advising readers to "Learn why health officials consider COVID-19 vaccines safe for most people." Twitter also prevented users from liking or commenting on the tweet, according to purported screenshots.