Covid-19: Is Vaccine Booster Needed To Achieve Complete Immunity?

While it was like only yesterday that people were calculating the day they could feel fully protected by their vaccination, now scientists are saying our safety may require another shot in the arm.  This booster conversation is gaining urgency as the Delta variant causes a surge among both vaccinated and unvaccinated…

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Patsy Nwogu

Reporting on data-driven featured stories and investigations.

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