The Houston Health Department says dozens of people have tested positive for COVID-19 despite being fully vaccinated.
That means they were infected with the virus more than two weeks after getting either two doses of the Pfizer or Moderna vaccine or a single dose of the Johnson & Johnson vaccine.
Doctors refer to those cases as breakthrough infections or vaccine failures.
Dr. David Persse with the Houston Health Department says breakthrough infections happen with all vaccines but there’s no cause for alarm.
“It’s not a surprise at all that we would see a small number of people test positive after being vaccinated. Our back of the napkin math would have been a little higher than this,” said Dr. Persse.
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