Psaki's briefing was broadcast by C-Span.

“We think this is the wrong choice,” she said.

She stated that the US authorities, if necessary, can provide the population of the country with booster doses of vaccines, and send drugs to other countries.

Earlier, the head of the WHO, Tedros Adan Ghebreyesus, said that the organization is calling for a moratorium on booster vaccinations, at least until the end of September.

He explained that this would help send more doses of COVID-19 vaccine to low-income countries experiencing vaccine shortages.