“The vaccines were at least 90 percent effective for those fully vaccinated, 80 percent if they were partially vaccinated meaning maybe one dose of Pfizer or Moderna but not yet having the second dose and much, much better than those people who were not vaccinated at all,” said Dr. Lawton Davis, Director of the Coastal Health District.
"how" - Google News
April 01, 2021 at 06:05AM
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How effective is the COVID-19 vaccine? - WTOC
"how" - Google News
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