Coronavirus Today: Breakthrough infections break thr...
Peterarthur
So despite the increase in breakthrough infections, COVID-19 vaccines are doing their job. Plus, on an individual level, they dramatically reduce the likelihood of severe illness or death if someone does become infected. More than 97目前美國人住院住院 for COVID-19 are unvaccinated, according to Dr. Rochelle Walensky, director of CDC