Importance In low-income countries, live measles vaccine reduces mortality from causes
other than measles infection. Such nonspecific effects of vaccines might also be important
for the health of children in high-income settings. Objective To examine whether the live
vaccine against measles, mumps, and rubella (MMR) is associated with lower rates of
hospital admissions for infections among children in Denmark. Design, Setting, and
Participants Population-based cohort study of Danish children born 1997-2006 and followed …