
Yearly COVID Boosters for Older Adults May Produce Largest Gains
The Global Accountability Platform (COVID GAP) blog series. September 30, 2022 By Nellie Bristol Under COVID-19’s current course, yearly vaccination focused on high risk populations is most likely to prevent the most hospitalizations and deaths and prove more cost effective than aiming for regular full population immunization, Professor Azra Ghani of Imperial College said September 29. Speaking at a webinar hosted by the Andean Health Organization, Ghani cited mathematical modeling data showing the largest decreases in hospitalizations and deaths derived from providing annual boosters to those over 75. Additional benefit was seen in annual boosters for those over 60. While more frequent vaccination was considered, Ghani said, “We don’t see so much benefit in moving to six monthly vaccines,” she said. “That’s partly because we don’t see too much of a…