C.D.C. Will Not Investigate Mild Infections in Vaccinated Americans
Now, the Centers for Disease Control and Prevention has stopped investigating breakthrough infections among fully vaccinated people unless they become so sick that they are hospitalized or die.
Earlier this year, the agency was monitoring all cases. Through the end of April, when some 101 million Americans had been vaccinated, the C.D.C. had received 10,262 reports of breakthrough infections from 46 states and territories, a number that was very likely “a substantial undercount,” according to a C.D.C. report issued on Tuesday.
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