The FDA greenlit second boosters for older adults and immunocompromised people as early data shows the extra shot may provide additional protection.
of COVID-19 vaccines for older people and some immunocompromised people who received their first booster at least four months ago.
“Current evidence suggests some waning of protection over time against serious outcomes from COVID-19 in older and immunocompromised individuals,” Peter Marks, director of the FDA’s Center for Biologics Evaluation and Research, noted in the announcement. “Based on an analysis of emerging data, a second booster dose of either the Pfizer-BioNTech or Moderna COVID-19 vaccine could help increase protection levels for these higher-risk individuals.”against severe COVID-19 in most people.
the vaccines were in preventing emergency room and urgent care visits as well as hospitalizations in 10 states during the Omicron wave. The researchers observed that protection did decline somewhat around two to four months after participants received their second or third dose of an mRNA vaccine.these data are. The report didn’t account for mild COVID-19 infections that did not require medical attention.
Even so, the majority of COVID-19 hospitalizations are still occurring in people who haven’t been vaccinated, Malani says. A study released on March 18 by the CDC found that when Omicron was peaking in January,
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