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 Diego, told the ABC News affiliate that this scenario was 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,” Ramers said.
“That first dose we think gives you somewhere around 50 per cent, and you need that second dose to get up to 95 per cent,” Ramers added.
An Alaskan health worker had a serious allergic reaction after getting Pfizer Inc and BioNTech’s coronavirus vaccine, but is now stable, public health authorities said on Wednesday.
The adverse reaction in the person, minutes after taking the Pfizer shot on Tuesday, was similar to two cases reported last week in Britain.
Britain’s medical regulator has said that anyone with a history of anaphylaxis, or severe allergic reactions to a medicine or food, should not get the Pfizer-BioNTech Covid-19 vaccine.
But
the US Food and Drug Administration has said that most Americans with
allergies should be safe to receive the vaccine. It said only people who
have previously had severe allergic reactions to vaccines or
ingredients in this particular vaccine should avoid getting the shot.
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