Pfizer CEO Albert Bourla, who have received four COVID-19 vaccine doses, has tested positive for the disease.."I am thankful to have received four doses of the Pfizer-BioNTech vaccine, and I am feeling well while experiencing very mild symptoms," he said on Twitter on Monday morning. "I am isolating and have started a course of Paxlovid.".Bourla said the world has "come so far in our efforts to battle this disease," adding he is confident he will have a speedy recovery.."I am incredibly grateful for the tireless efforts of my Pfizer colleagues who worked to make vaccines and treatments available for me and people around the world.".Bourla noted that Paxlovid is not an approved treatment, but has been authorized for emergency use by the FDA to treat mild-to-moderate COVID-19..US President Joe Biden also took Paxlovid following his bout with COVID-19, but he tested positive again later. Experts have begun warning about "Paxlovid rebound," which happens when someone tests positive for COVID even after taking the drug..Biden's chief medical adviser Anthony Fauci also recently tested positive for COVID and experienced Paxlovid rebound. He claimed the symptoms he experienced were “much worse than the first go-around."
