Should the Vaccinated Worry About Waning Immunity?

Despite pleas from the World Health Organization, the U.S., the U.K. and other wealthy nations are moving forward with COVID-19 booster shots. In America, CDC Director Dr. Rochelle Walensky endorsed the recommendation by outside advisers to offer boosters to people over 65 and with underlying conditions – but in a rare step, she broke with the panel and decided also to include frontline workers.