Table 1. Demographic characteristic of HFMD cases and the pathogen types of some cases in Qingdao City, 2013–2018.

	2013	2014	2015	2016	2017	2018	Total
Age
0–5 year	5606	11224	12448	10116	11048	11471	61913
>5 year	636	1199	1281	1262	1565	1790	7733
Sex(0–5 year)
Male	3493	6799	7552	5989	6520	6918	37271
Female	2113	4425	4896	4127	4528	4553	24642
Occupation(0–5 year)
Scattered children	4217	7721	9856	6569	7742	9090	45195
Nursery children	1386	3494	2583	3538	3287	2370	16658
Other	3	9	9	9	19	11	60
Pathogen(0–5 year)
CoxA16	42	241	92	214	57	111	757
EV71	222	315	87	82	429	15	1150
Other EV	254	341	258	250	249	462	1814