Facebook will begin to alert users after they’ve been exposed to misinformation about the coronavirus, the company announced Thursday, the latest in a series of actions meant to curtail the spread of wrong or misleading claims related to the pandemic. Users who have liked, commented on or reacted to coronavirus misinformation that has been flagged as “harmful” by Facebook and removed will now be directed to a website debunking coronavirus myths from the World Health Organization. The announcement came in a blog post written by Guy Rosen, Facebook's vice president of integrity. “We want to connect people who may have...