CDC's Dr. Rochelle Walensky, a key figure in Biden administration's response to COVID, to step down in June; US president thanks Jewish doctor for 'unwavering focus'

Dr. Rochelle Walensky says public health body 'fell short' in dealing with coronavirus, proposing restructuring plan aimed at making CDC more nimble and improving communication

Research finds third dose at least 90% effective at preventing hospitalizations for COVID-19, during both the Delta and Omicron waves

'Pediatric hospitalizations are at their highest rate compared to any prior point in the pandemic,' says CDC chief, but notes they are still lower than other age groups

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

'Someone courageous needed to make that change' writes Arab party leader in blurb praising right-winger Bennett's willingness to partner with Islamists to end political stalemate

Citing new information on delta variant's ability to spread even among fully vaccinated, CDC also recommends all children and teachers wear masks in schools

Top health experts say evidence shows that the inoculations prevent severe disease and death, borne out by data from Britain, Israel

CDC reports more than 33,000 new daily cases, bringing 7-day average up to 23,306 -- a 70% rise from previous week after months of declining numbers