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Aetiological composition of severe HFMD in Qingdao, China, 2009–2014
| Year | Severe cases examined | Positive cases n (%) | Aetiological composition, n (%) | ||
|---|---|---|---|---|---|
| EV71 | CA16 | Other enteroviruses | |||
| 2009 | 502 | 124 (25) | 74 (60) | 10 (8) | 40 (32) |
| 2010 | 485 | 331 (68) | 206 (62) | 48 (15) | 77 (23) |
| 2011 | 631 | 221 (35) | 51 (23) | 4 (2) | 166 (75) |
| 2012 | 248 | 78 (31) | 27 (35) | 11 (14) | 40 (51) |
| 2013 | 464 | 269 (58) | 105 (39) | 11 (4) | 153 (57) |
| 2014 | 1073 | 512 (48) | 171 (34) | 109 (21) | 232 (45) |
