Figure 1

Age-specific epidemic curves of measles infections: Wenzhou City, China, September 1, 2010 to January 13, 2011. Age Group A: Children aged <8 m at MMIC (born Jan. 1-Nov. 9, 2010), who had measles at <8 m (i.e., never became age-eligible for routine vaccination before illness onset). Age Group B: Children aged <8 m at MMIC (born Jan. 1-Nov. 9, 2010), who had measles at > =8 m (i.e., should have received post-MMIC routine vaccination before illness onset). Age Group C: Children born Sep. 1, 2005-Dec. 31, 2009: Eligible for MMIC (aged 13-64 m at this investigation). Age Group D: Children born during January 1, 1996-August 31, 2005, not the target children of MMIC.