The Centers for Disease Control and Prevention has endorsed updated COIVD-19 boosters
The Centers for Disease Control and Prevention on Thursday endorsed, opening the way for a fall vaccination campaign that could blunt a winter surge if enough Americans roll up their sleeves.
The shots “can help restore protection that has waned since previous vaccination and were designed to provide broader protection,” she said in a statement.made by Pfizer and rival Moderna offer Americans a chance to get the most up-to-date protection at yet another critical period in the pandemic. They're combination or"bivalent" shots — half the original vaccine and half protection against the BA.4 and BA.5 omicron versions now causing nearly all COVID-19 infections.
“I think they’re going to be an effective tool for disease prevention this fall and into the winter,” said CDC adviser Dr. Matthew Daley of Kaiser Permanente Colorado. But those vaccines were designed to target the virus strain that circulated in early 2020. Effectiveness drops as new mutants emerge and more time passes since someone’s last shot. Since April, hospitalization rates in people over age 65 have jumped, the CDC said.
Several CDC advisers said that to get the maximum benefit, people will need to wait longer between their last vaccination and the new booster than the two-month minimum set by the FDA. Waiting at least three months would be better, they said.
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US Advisers Endorse Updated COVID Shots for Fall BoostersU.S. health advisers are endorsing new COVID-19 boosters that target today’s most common omicron strains. The tweaked shots made by Pfizer and rival Moderna contain half the regular vaccine and half protection against the BA.4 and BA.5 omicron versions. It’s not clear just how much more protection the extra shot will bring, because the exact recipe hasn’t finished human testing. But advisers to the Centers for Disease Control and Prevention concluded Thursday it’s the best option ahead of an expected winter surge. The CDC must agree before shots begin.
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