With yet another COVID-19 booster available for vulnerable populations in the U.S., many people find themselves wondering what the end game will be.
The mRNA vaccines currently used in the U.S. against COVID-19 have been successful at preventing hospitalization and death. However, the vaccines have failed to provide long-term protective immunity to prevent breakthrough infections – cases of COVID-19 infection that occur in people who are fully vaccinated.
Because of this, the Centers for Disease Control and Prevention recently endorsed a second booster shot for individuals 50 years of age and older and people who are immunocompromised. Other countries including Israel, the U.K. and South Korea have also approved a second booster.
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