US Covid-19 Breakthrough Infections-are-Uncommon Rising Considerably and D-19 Breakthrough Infections are Uncommon, Rising Considerably, and Sort of Okay
Authors: PETER WEBER 5:20 AM The Biden administration is advising eight-month booster shots for Americans vaccinated with the Pfizer and Moderna COVID-19 vaccines because the Delta variant, which now accounts for about 98.8 percent of new U.S. infections, is a lot more contagious and the effectiveness of the vaccines appears to wane with time. “Fortunately,” the COVID-19 vaccines are […]