Table 1. Measles cases, January 2005–October 2013, China.
| Variable | Year |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013a | |
| Measles incidence (per 100 000 population) | 9.47 | 7.62 | 8.29 | 9.95 | 3.95 | 2.86 | 0.74 | 0.46 | 1.96 |
| No. of measles cases | 123 136 | 99 602 | 109 023 | 131 441 | 52 461 | 38 159 | 9 943 | 6 183 | 26 443 |
| Laboratory confirmation, % of cases | 28.7 | 29.8 | 37.2 | 39.9 | 56.2 | 69.7 | 90.0 | 98.3 | 96.3 |
| Male sex, % of cases | 58 | 59 | 60 | 60 | 61 | 61 | 61 | 59 | 60 |
| No. of measles-related deaths | 56 | 35 | 67 | 103 | 37 | 27 | 10 | 9 | 24 |
| Measles-related mortality, deaths per million population) | 0.042 | 0.027 | 0.05 | 0.077 | 0.029 | 0.02 | 0.007 | 0.006 | 0.02 |
| No. of measles outbreaks reportedb | – | – | – | – | 322 | 311 | 63 | 11 | 91 |
| No. of measles cases in outbreaks | – | – | – | – | 2 205 | 1 994 | 237 | 28 | 368 |
| Median no. of cases per outbreak (range) | – | – | – | – | 3 (2–203) | 3 (2–88) | 2 (2–15) | 2 (2–5) | 2 (2–29) |
| Median duration of outbreak, days (range) | – | – | – | – | 8 (1–114) | 8 (1–163) | 7 (1–56) | 4 (1–13) | 8 (1–44) |
ND, no data.
a The data shown for 2013 refer only to the first 10 months of the year.
b In China, a measles outbreak is defined as the occurrence, within a 10-day period, of either at least two confirmed cases in a village, district, school or similar unit, or at least five confirmed cases in a township.