Ariana Eunjung Cha

Early research shows that 15 to 80 percent of people with certain medical conditions, such as specific blood cancers or organ transplants, are generating few antibodies after coronavirus vaccines.

One million testing kits, 40,000 families and an ambitious bid to stop community transmission.

Agency director Rochelle Walensky cited data showing ‘no safety concerns’ for more than 35,000 women in their third trimester or for their babies.

Several states are now prioritizing asymptomatic student athletes as outbreaks put vulnerable, unvaccinated adults at risk.