Will the next booster still protect against the original strain, or will it incorporate various strains of Omicron like XBB.1.5, BQ.1, and BQ.1.1 that have been responsible for a large number of infections in America in previous months?
Will the next booster still protect against the original strain, or will it incorporate various strains of Omicron like XBB.1.5, BQ.1, and BQ.1.1 that have been responsible for a large number of infections in America in previous months?