So he's saying don't take it by itself - only take it if you're really sick and do it in conjunction with zinc. Here he is getting his second vaccine shot: https://www.facebook.com/mendurgentcare/videos/watch-mend-ceo-dr-anthony-cardillo-receives-the-2nd-dose-of-the-covidvaccine-on-/1095908510873501/

Here he is saying there's no harm from wearing a surgical mask: https://abc7.com/coronavirus-covid-19-faq-ask-the-doctor/6324689/

Here he is saying cover up and mask up if you travel: https://abc11.com/air-travel-and-coronavirus-covid-19-how-to-stay-safe-while-flying-dr-anthony-cardillo/6409427/