Nurse In US Tests Positive For COVID-19 After First Pfizer Vaccine Dose

A US nurse had tested positive for COVID-19 after the first Pfizer vaccine dose.

A nurse in the United States had tested positive for COVID-19 about a week after getting vaccinated with the first dose of COVID-19 vaccine from Pfizer and BioNTech.

This, as a medical expert said that the body needed more time in order to build up protection.

Nurse Positive
Photo source: Reuters

In a report on GMA Network’s “24 Oras”, the Californian nurse — identified as a 45-year-old Matthew W. in a report from Reuters — didn’t experience any side effects from the COVID-19 vaccine aside from feeling soreness in his arm.

After six days, he started to experience chills, body ache, and extreme fatigue. Matthew got tested for COVID-19 and received a positive test result after two days.

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Christian Ramers — an infectious disease specialist at Family Health Centers of San Diego — mentioned that the said situation wasn’t unexpected as the COVID-19 vaccine from Pfizer and BioNTech, which was administered in two doses, had only a 50% effectivity in its first dose and that the second dose was needed for a 95% efficacy.

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. That first dose we think gives you somewhere around 50%, and you need that second dose to get up to 95%,” Dr. Ramers told ABC News.

Meanwhile, Pfizer has yet to release a statement regarding the said situation.

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