A wedding in Oklahoma leads to 15 vaccinated guests becoming infected with the coronavirus. Raucous Fourth of July celebrations disperse the virus from Provincetown, Mass., to dozens of places across the country, sometimes carried by fully vaccinated celebrants.
Coronavirus
New York Times: Why vaccinated people are getting ‘breakthrough’ infections
(FILES) This file photo taken on April 28, 2021 shows university students queueing to receive the China National Biotec Group (CNBG) Covid-19 coronavirus vaccine at a university in Wuhan, in China's central Hubei province.
