“Look, this is absolutely irresponsible. There’s no serious medical personnel out there saying to use that drug, it’s counterproductive, it’s not going to help,” Biden said Tuesday in a virtual Yahoo News event with chef Jose Andres.

Biden noted that there are studies of the drug that show “it does much more harm than good” in dealing with COVID-19.

The former vice president and apparent Democratic nominee said that a president’s words matter: “Just like saying maybe if you injected Clorox into your blood, it may cure you. Come on. What is he doing? What in God’s name is he doing?”