© Reuters. ARCHIVE PHOTO: A vial of the Pfizer / BioNTech COVID-19 vaccine is seen before being administered at the Royal Victoria Hospital in Belfast
(Reuters) – A California nurse tested positive for COVID-19 more than a week after receiving Pfizer Vaccine Inc. (NYSE :), an affiliate of ABC News reported https: // on Tuesday, but a medical expert said the body needs more time to create protection.
Matthew W., 45, a nurse at two different local hospitals, said in a Facebook post (NASDAQ 🙂 on December 18 that he had received the Pfizer vaccine, telling the ABC News affiliate that his arm hurt for a day, but that he had not suffered any other side effects.
Six days later, on Christmas Eve, he fell ill after working a shift at the COVID-19 unit, the report added. He had chills and later began to experience muscle pain and fatigue.
He went to a hospital test site and tested positive for COVID-19 the day after Christmas, the report said.
Christian Ramers, an infectious disease specialist at the Family Health Centers in San Diego, told ABC News affiliate that this scenario was not unexpected.
“We know from clinical vaccine tests that it will take about 10 to 14 days for you to start developing vaccine protection,” said Ramers.
“We believe that the first dose gives you around 50%, and you need the second dose to reach 95%,” added Ramers.
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