pakman schreef op 20 december 2021 10:22:
Pfizer says it will add third COVID vaccine shot to trials for young children
Company says two shots did not produce desired immune effect.
Pharmaceutical companies Pfizer and BioNTech this week revealed that they would be adding a third COVID vaccine shot to trials for young children after the standard two-dose trial did not produce the desired immune effect in some trial participants.
The companys said in a Friday statement that, in a review of study data, the immune response benchmark “was met for the 6- to 24-month-old population but not for the 2- to under 5-year-old population.”
“The study will now include evaluating a third dose of 3 µg at least two months after the second dose of the two-dose series to provide high levels of protection in this young age group,” the statement said.
“Pfizer and BioNTech also plan to evaluate a third dose of the 10 µg formulation in children 5 to under 12 years of age,” the statement added.
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