Twitter flags Trump post for violating its rules on Covid-19 information

Twitter flagged a tweed by President Donald Trump in which he claims to be immune to the new coronavirus. Twitter added a disclaimer to the post: "This Tweet violated the Twitter Rules about spreading misleading and potentially harmful information related to COVID-19."
The original post read: "A total and complete sign off from White House Doctors yesterday. That means I can’t get it (immune), and can’t give it. Very nice to know."