Decision driven by a surge in Omicron cases and growing evidence that people are most infectious in two days before and three days after symptoms develop

CDC data shows some 650,000 Omicron cases across country in last a week, a six-fold increase in the variant's share of infections to become dominant strain

Move paves the way for Israel to begin vaccinating children of this age group, having said they would follow CDC guidelines; Biden calls decision a 'turning point'

FDA expected to weigh in on findings, which also show shot to be safe for smaller kids, later Friday, with child-sized doses possibly available starting as early as next month

White House lays out plan to authorize low-dose Pfizer shots for youngsters; Israeli health authorities are expected to follow suit once FDA, CDC sign off on plan in early November

Rochelle Walensky tells CBS that science of inoculation against coronavirus is being evaluated 'in real time'; third dose may be recommended for entire population

US health agency's director includes recommendation rejected by experts for those under 65 in jobs with higher risk of exposure to get an extra vaccine dose

Stephane Bancel says COVID shots will be okayed for infants and there will be enough doses by mid-2022 to inoculate everyone worldwide; thinks situation could come to resemble flu

After an FDA advisory panel limits 3rd COVID-19 shot to those over 65, Francis Collins says the US may follow Israel by opening up eligibility list over time

Accumulating research suggests vaccine's superiority, possibly due to dosage level -- 100 micrograms against 30 -- or dosage interval, with Pfizer given 3 weeks apart and Moderna 4