title: Measles vaccine: protection for how long?
mesh_terms: D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007109:Immunity; D007223:Infant; D008458:Measles Vaccine; D013997:Time Factors; D014613:Vaccines, Attenuated
chemical_list: D008458:Measles Vaccine; D014613:Vaccines, Attenuated