Low mortality after mild measles, compared to uninfected children in rural West Africa. 2002, Aaby, Vaccine

The study in the Senegalese village. During the outbreak of measles, 66 children became ill, and 149 did not fall ill, followed by 4 years. The children who received measles were 86% less likely to die from other infectious diseases.
Similar results were observed in Guinea Bissau (mortality in those who had measles was 50% lower), as well as in Senegal (mortality was 4 times lower among the sick) and in Bangladesh.