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Table 2 Estimated measles vaccination coverage for children aged 8 m-15y, by age group classified in relation to the nationwide measles mass immunization Campaign: Wenzhou City, China, September 1, 2010 to January 13, 2011*

From: Epidemic of measles following the nationwide mass immunization campaign

Age group# # Cases % Cases vaccinated % Population vaccinated
A 39 - -
B 58 5.2% 52%
C 32 21% 85%
D 12 56% 96%
  1. * Assuming vaccine efficacy to be 95%. The vaccination rate in case-patients with unknown vaccination history was the same as in case-patients with known vaccination history.
  2. # A: Infants aged 0-7 m at the MMIC (born during January 1-November 9, 2010) and were not age-eligible for the campaign, who subsequently contracted measles under age 8 m; B: Infants aged 0-7 m at the MMIC (born during January 1-November 9, 2010) and were not age eligible for the campaign, who subsequently contracted measles at age ≥8 m; C: Children aged 13-64 m at the time of this investigation (born during September 1, 2005-December 31, 2009); D: Children aged 65 m-15y at the time of this investigation (born during January 1, 1996-August 31, 2005).