In the letter, in which it was stated that US President Biden coughed from time to time, it was stated that he coughed less than yesterday, and it was stated that his fever, pulse, blood pressure, respiratory rate were normal. It was reported that Biden’s quarantine continues.
While the first Covid-19 test on 79-year-old Biden was positive on July 21, his quarantine ended after two tests on July 27 were negative. On July 30, Biden’s Covid-19 test turned positive again. O’Connor described Biden’s retesting as a case of “flashback” seen in a small percentage of patients taking the antiviral drug Paxlovid.