Vaccine protection may diminish need for yearly boosters
https://healthell.blogspot.com/2021/06/vaccine-protection-may-diminish-need.html
Vaccine protection may diminish need for yearly boosters
Scientists have found clues that the world’s leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations are still a wild card.
