Pediatrics

Changes in the activity of immune system genes in the placenta could explain the association, researchers speculate

An immunologist explains how the immune system changes as people mature

The FDA’s decision to expand eligibility for the Pfizer vaccine to young kids could mean less illness, safer school and more freedom

The WHO-approved RTS,S vaccine has a modest efficacy and requires a complex regimen of doses, so ample funding and clear communication are crucial to success

Pfizer expects to have safety and efficacy data on five- to 11-year-olds by the end of the month, but federal authorities must still review it

Florida governor Ron DeSantis and politicians in Texas say research does not support mask mandates. Many studies show they are wrong

Innate immunity might be the key to why children have fared better with the virus. But the Delta variant poses fresh unknowns

Medication and therapy remain the most effective treatments, but some are looking to alternatives

Contrary to past guidance, new recommendations call for early introduction

One clinic's youngest patient is 3

The agency will require new warnings on medication labels

Almost 90 percent of children's doctors have encountered such resistance