A 45-year-old nurse in California tested positive for COVID-19 more than a week after receiving Pfizer Inc’s coronavirus vaccine, an ABC News affiliate reported on Tuesday. Matthew W., a nurse at two different local hospitals, said in a Facebook post on December 18 that he had received the Pfizer vaccine, telling the ABC News affiliate that his arm was sore for a day but that he had suffered no other side-effects. Six days later on Christmas Eve, he became sick after working a shift in the COVID-19 unit, the report added. He got the chills and later came down with muscle aches and fatigue. He went to a drive-up hospital testing site and tested positive for COVID-19 the day after Christmas, the report said. Christian Ramers, an infectious disease specialist with Family Health Centers of San...