Pfizer's Covid vaccine 73.2% effective in kids under 5, shows new data

The updated data showed 13 children had Covid, at least seven days after receiving a third dose of the Pfizer-BioNTech COVID-19 vaccine, compared with 21 cases among those who received a placebo

Pfizer Inc and BioNTech's vaccine was 73.2% effective in preventing COVID-19 among children aged 6 months through 4 years, new data from the companies showed on Tuesday, two months after the U.S. rollout of the shots began for that age group.
 

The Pfizer-BioNTech vaccine was authorised for children under 5 years of age in June, based on data that showed the vaccine generated a similar immune response as in older age groups.
 

An early analysis based on 10 symptomatic COVID-19 cases in the study had suggested a vaccine efficacy of 80.3%. But experts had warned that the data was preliminary