vaccinated造句
Thechildrenwereallvaccinatedagainstsmallpox.Shouldpeoplecontinuetobevaccinatedagainstseasonalinfluenza?Travelincreasestheriskforexposuretomeaslesvirusanditsfurtherspreadintosusceptiblepopulationsifnot...
Thechildrenwereallvaccinatedagainstsmallpox.Shouldpeoplecontinuetobevaccinatedagainstseasonalinfluenza?Travelincreasestheriskforexposuretomeaslesvirusanditsfurtherspreadintosusceptiblepopulationsifnot...