Administering repeated mRNA vaccines is not a viable strategy, and there is a strong need to develop broad-based vaccines and therapeutics to protect against future variants, says the head of the Doherty Institute.

With many more medical tools available to prevent severe disease, Professor Sharon Lewin predicted that Australia would begin to move away from “blunt” population controls to a testing and isolation approach that focused on reducing disease risk, rather than infection control, similar to the Danish response.