COVID-19 vaccine boosters not widely needed, top FDA and WHO scientists say – CBC

Efficacy against severe disease ‘remains high,’ writes team of scientists in medical journal

Sep 13, 2021

Additional COVID-19 vaccine booster shots are not yet needed for the general population, according to a new medical journal article from leading international scientists, including some from the U.S. Food and Drug Administration (FDA) and the World Health Organization (WHO).

Writing in the Lancet medical journal, the scientists said “efficacy against severe disease remains high,” with more evidence needed to justify broad use of boosters.

That view goes against U.S. government plans to begin offering another round of shots to many fully vaccinated Americans as soon as next week, contingent on approval from health regulators.

“Any decisions about the need for boosting or timing of boosting should be based on careful analyzes of adequately controlled clinical or epidemiological data, or both, indicating a persistent and meaningful reduction in severe disease,” the Lancet article reads.

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