@oftenuncommon @cincoelgato @DrLeanaWen @MaryBuggieHunt @ProfEmilyOster @biannagolodryga Would work great if the same virus people were vaccinated for was the one people were being exposed to now. It actually hasn't been seen in around two years.
@如果人们接种的病毒与现在接触的病毒相同，那么Oftenoncommon@cincoelgato@DrLeanaWen@MaryBuggieHunt@ProfEmilyOster@bianagoldryga将非常有效。事实上，它已经有两年没有出现了。