"Kid-size" Covid vaccine doses effective, says Pfizer

Pfizer claims its Covid vaccine is 91% effective at preventing symptomatic infections in 5- to 11-year-olds, the AP reports, citing results of a study that could lead to jabs as soon as november.

Full-strength Pfizer shots already are authorized for anyone 12 or older, but pediatricians and many parents are anxiously awaiting protection for younger children to stem rising infections from the extra-contagious delta variant and help keep kids in school. — Read the rest