The FDA has approved a new vaccine for kids as young as 6 months old, but it's a little complicated and may further hamstring efforts to vaccinate the youngest Americans, NBC News reports.
Until now, Pfizer's COVID-19 vaccine was only available to kids 5 years and older.
Now, an "updated" bivalent vaccineone that targets both the original version of SARS-CoV-2 and the coronavirus omicron subvariants BA.4 ? /5, which were dominant during the summer monthshas been authorized by the FDA for use in kids ages 6 months to 4 years.
Only children 6 months to 5 years who received Moderna's two-dose primary series are eligible for the bivalent vaccine as a booster dose.
But for Pfizer's vaccine, there is still no booster available for children under 5 who already completed the original three-dose primary series.
That means any child in the age range of 6 months to 4 years who has not been vaccinated and starts a Pfizer three-dose series but has not yet completed it can get the bivalent dose as their third dose in the Pfizer three-dose primary series.
"Children in this age group who already completed their [three-dose Pfizer] primary series would still be expected
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