sentences:  Child immunization for measles in 2004 as a percentage of children under 12 months of age was 92 percent.Acquired immune deficiency syndrome (AIDS) is the fifth-leading cause of death in the working-age population.According to Colombia’s National Health Institute data reported in 2003, nearly 240,000 people — mostly women and young people — or 0.6 percent of the population had been infected with the virus since AIDS arrived in Colombia in October 1983.