US Centers for Disease Control and Prevention Director Rochelle Walensky said that the “close call” nature of the agency’s vaccine advisor’s decision not to recommend a third dose of the Pfizer Inc./BioNTech SE’s Comirnaty vaccine in people at high risk of COVID-19 due to their occupational or institutional setting, gave her the prerogative to make her own determination.
Walensky, speaking 24 September at a White House COVID-19 briefing, ostensibly argued that when decisions come down to judgement calls...







