Why did the Pfizer young kids trial fail?
On Friday, Pfizer announced results of their Phase II/III trial in children 6 months to under 5 years of age. There were two big wins and one massive set back:
Wins: Vaccine was safe, so no severe events occurred. The vaccine dosage worked for kids between 6 months and under 2 years.
Failure: Vaccine dosage didn’t work for 2- to under 5-year-old populati…
