QUICK READ: Hydroxychloroquine does NOT prevent the Coronavirus and could be fatal to people who take it. There currently exists no definitive proof that the drug, often prescribed for rheumatoid arthritis, lupus and other autoimmune diseases, will aid patients fighting COVID-19. Many public health experts have been baffled by Trump’s stumping for hydroxychloroquine but baffled isn’t enough they need to call out his towering ignorance.