A little bit of measles does you good. Even if measles is eradicated, immunisation may still be desirable in developing countries.
Shann
F
F
D003906:Developing Countries; D006801:Humans; D007114:Immunization; D007115:Immunization Schedule; D008457:Measles / Q000276:immunology* / Q000401:mortality; D015996:Survival Rate