Newly released data by Pfizer presents a worrying omen for getting younger children vaccinated against Covid.
the results from ongoing critical trials on Friday and said that after testing children 6 months to 5 years of age with one-tenth of the adult dose, children between 6 months and 2 years produced an immune response similar to people aged 16 to 25 after two doses but children between 2 and 5 did not.
The companies said if the three-dose study is successful, they plan to apply for emergency authorisation sometime in the first half of 2022. A kid-sized version of Pfizer’s vaccine already is available for 5- to 11-year-olds, one that’s a third of the dose given to everyone else 12 and older.No safety concerns have been spotted in the study, the companies said.
Pfizer vaccine research chief Kathrin Jansen cited other data showing a booster shot for people 16 and older restores strong protection, a jump in immunity that scientists hope also will help fend off the new omicron variant. The companies also are preparing to test a booster for 5- to 11-year-olds, who are just now getting their two-dose vaccinations. And they are testing different dose options for teen boosters.
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