Pfizer and BioNTech are testing a third dose of a Covid vaccine for young children. The third dose is a lower amount than the adult doses.
Dr. Paul Offit, a vaccine expert at Children's Hospital of Philadelphia, criticized Pfizer's move, saying evidence to date shows that two doses of the vaccine still protect against severe disease.
"The goal is no longer just protection against serious illness but protection against infection," he said."That is not a goal we have for any other vaccine." But when it comes to kids getting three doses, Bogoch said,"I have no idea. As always, we cannot treat kids as little adults."Download thePfizer and BioNTech said Friday that an ongoing study for kids ages 6 months to under 5 years will now include a third dose containing 3 micrograms of mRNA given at least two months after the second dose.
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