Ex-Harvard Medical School faculty member warns COVID-19 herd immunity is ‘wishful thinking'

Ex-Harvard Medical School faculty member warns COVID-19 herd immunity is ‘wishful thinking'



A Washington D.C.-based internist and former Harvard Medical School faculty member has claimed the idea that herd immunity may slow the coronavirus pandemic is "wishful thinking" after a 50-year-old patient was infected for a second time with COVID-19.