A 45-year-old nurse in California tested positive for Covid-19 more than a week after receiving Pfizer Inc’s coronavirus vaccine.
Matthew W., a nurse at two different hospitals, said in a Facebook post on December 18 that he had received the Pfizer vaccine, saying his arm was sore for a day but that he had suffered no other side-effects.
Six day later on Christmas Eve, he became sick after working a shift in the Covid-19 unit. 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.
According to Christian Ramer, an infectious disease specialist with Family Health Centres of San Diego, this scenario is not unexpected.
“We know from the vaccine clinical trials that it’s going to take about 10 to 14 days for you to start to develop protection from the vaccine,” said Ramers.
“That first dose we think gives you somewhere around 50%, and you need that second dose to get up to 95%,” added Ramers.