If the US government wants slower options in the COVID-19 vaccine race to play a role with annual boosters now that mRNA vaccines have raised the bar on speed to market, then it should plan on boosting with monovalent vaccines rather than bivalent, several sponsors and independent experts told a 27 April workshop.
There is no downside to such a strategy, they said, because monovalent COVID-19 vaccines are quicker to manufacture and work as