AstraZeneca’s COVID-19 vaccines in frail and elderly people.The results from a surveillance project called AvonCAP, funded by Pfizer, found that one dose of the Pfizer-BioNTech or AstraZeneca shot was highly effective at preventing symptomatic illness severe enough to lead to hospitalization among patients aged over 80 with multiple other illnesses.The results add to other early findings from studies of vaccine roll-outs in Israel, Scotland and England, which have also pointed to high effectiveness from the first doses. ‘Risky’ or ‘incredible’?
Experts split on delaying 2nd vaccine dose to expand coverage “Despite the frailty and age of these patients, one dose of either Pfizer or the AstraZeneca vaccine is remarkably effective at.