The Biden administration says Covid-19 vaccine booster shots won’t threaten its efforts to expand global immunization, but health policy experts are skeptical that both fronts can be effectively tackled at once.
Health officials on Wednesday announced that starting Sept. 20, the U.S. will offer boosters to all vaccinated adults who received their second shot at least eight months earlier. The administration will also “do even more to lead global vaccination efforts,” particularly by escalating production capacity in the U.S. and abroad, White House coronavirus response coordinator Jeffrey Zients said.
“We have already shipped 115 million vaccine doses to 80 different ...