Table 4.

Accuracy of administration dates in ZJIIS.

Vaccination	The Number of Doses Both Recorded in Vaccination Cards and Registered in ZJIIS	Equal Date (%)	Date Difference < 1 Week (%)	Date Difference 7–31 Days (%)	Date Difference > 1 Month (%)
BCG	2355	86.3	12.4	1.3	0.0
HBV1	2391	89.2	10.1	0.7	0.0
HBV2	2356	88.4	10.7	0.9	0.0
HBV3	2279	84.2	14.7	0.9	0.2
PV1	2353	85.7	13.1	1.2	0.0
PV2	2291	82.8	14.6	2.4	0.2
PV3	2175	80.9	15.0	3.6	0.5
DTP1	2369	84.6	13.8	1.6	0.0
DTP2	2304	83.2	14.7	2.0	0.1
DTP3	2268	81.2	16.2	2.2	0.4
DTP4	2204	78.6	18.1	2.1	1.2
MR	2319	84.6	13.6	1.5	0.3
MMR	2260	80.4	16.0	2.9	0.7
HAV	2238	80.2	15.5	3.1	1.2
JEV1	2318	84.8	13.3	1.5	0.4
MPV-a1	2327	83.9	14.4	1.5	0.2
MPV-a2	2250	81.6	15.6	2.2	0.6
Total	39,057	83.3	14.5	1.8	0.4

The vaccinations in gray shades were scheduled in the second year of life.