The United States is reviewing the need for a third COVID-19 booster shot among residents who have already been vaccinated but needs to see more data to know if additional shots could raise people’s risk of serious side effects, a U.S. health official said Tuesday.
The official said the second dose for two-shot COVID-19 vaccine regimens was associated with higher rates of side effects, suggesting a third dose could potentially come with even greater risks.
“We’re keenly interested in knowing whether or not a third dose may be associated with any higher risk of adverse reactions, particularly some of those more severe — although very rare — side effects,” said Jay Butler, de…
Keep on reading: U.S. health official says COVID-19 boosters could risk more serious side effects