Michael Moore has been struck down with pneumonia.
The outspoken filmmaker took to his Facebook account to tell his fans he was being treated in an Intensive Care Unit at a hospital in New York City.
He wrote: "I'm writing this to all of you today from the Intensive Care Unit at a hospital in New York City.
"Unfortunately, I've come down with pneumonia. Between running all over the place lately promoting my new movie (WHERE TO INVADE NEXT).
"Plus going to Flint to help the people of my hometown, plus jumping in to support Senator Sanders, plus doing a dozen other things - well, I read somewhere you can't burn it at both ends, and if u do, it's best not to do so in the winter nor anywhere near a place full of toxic water! (sic)"