President Joe Biden was likely infected with the BA.5 subvariant of COVID-19, a "particularly transmissible" version of the virus, his physician said Saturday. Dr. Kevin O'Connor, the physician to the president, said preliminary sequencing indicates Biden has the most prevalent subvariant of the Omicron variant of COVID-19 in the United States. He said BA.5 accounts for 75% to 80% of all current COVID-19 infections in the United States. "This data ...