Figure 3From: A 60-year review on the changing epidemiology of measles in capital Beijing, China, 1951-2011 Age-specific incidence and proportion of measles in Beijing, 1957–2011. The measles cases by age groups in 1963–1972, 1985–1986 and 1997–1999 and the age-specific incidence in 1963–1977, 1985–1986 and 1997–1999 were not recorded in detail.Back to article page