boosters

Contrary to a poorly researched Wall Street Journal commentary, the new COVID vaccines have been tested appropriately and, like their predecessors, will likely prevent serious illness, death, and undue stress on the U.S. healthcare system.
An outbreak of pertussis, otherwise known as whooping cough, in a Florida pre-school affected children who had been vaccinated almost a frequently as those who were not. The reason: our current vaccine's protection wanes. Therefore, a booster shot is needed.