Watch John Campbell’s Video on COVID-19

If you’re interested in the science of COVID-19, you might want to watch a video by retired nurse practitioner John Campbell. His video has been viewed more than 777,000 times and shared more than 10,000 times. He has made a number of misleading claims about the effectiveness of ivermectin in reducing COVID-19 deaths. PolitiFact has reviewed his claims and found them to be false.