World Health Organization Technical Advisory Group on COVID19 vaccines (TAG-CO-VAC) statement
Current COVID19 vaccines continue to be highly protective against severe disease & death. The updates to future vaccines take into account the evolution of the virus & the circulating variants, & aim to improve protection against symptomatic disease.
Statement on the antigen composition of COVID-19 vaccines (who.int)
![](https://longcovidproject.eu/wp-content/uploads/2023/05/a-1-1024x666.jpg)