Table 2.

Serotypes causing severe cases with or without EV-A71 vaccination.

Serotypes	CV-A6	CV-A10	CV-A2	CV-A5	EV-A71	Untypeable
Severe case No	6	2	2	1	1	8
Total case No	1906	370	121	146	97	502
Ratio (%)	0.31	0.54	1.65	0.68	1.03	1.59
Vaccination/not	2/4	0/2	1/1	0/1	0/1	2/6