The epidemiological and serological characteristics of measles in Dongguan, China, 2005–2014

Figures & data

Figure 1. Number of measles cases and the incidence of measles in Dongguan, 2005–2014.

Figure 2. The age distribution of measles cases aged<1 y.

Table 1. The age distribution of reported measles cases in Dongguan, 2005–2014.

	age
Year	<1 yr	%	1–14 yr	%	>14 yr	%	Total
2005	423	24.3	663	38.1	655	37.6	1741
2006	338	28.5	494	41.7	352	29.7	1184
2007	760	35.0	786	36.2	625	28.8	2171
2008	599	35.3	617	36.4	481	28.3	1697
2009	103	36.5	92	32.6	87	30.9	282
2010	34	38.2	24	27.0	31	34.8	89
2011	26	40.0	10	15.4	29	44.6	65
2012	17	45.9	10	27.0	10	27.0	37
2013	234	46.7	129	25.7	138	27.5	501
2014	219	47.9	130	28.4	108	23.6	457
Total	2753	33.5	2955	35.9	2516	30.6	8224

Table 2. The main clinical manifestations of measles Cases (n = 8824) in Dongguan, 2005–2014.

Clinical Manifestations	n	Proportion (%)
Fever	8824	100
Rashes	8824	100
Cough	7715	93.8
Catarrh symptom	6003	73.0
Conjunctivitis	6146	74.7
Koplik spot	3879	47.2
Lymphadenectasis	770	9.4
Arthralgia	247	3.0
Pnemonia	4309	52.4
Laryngitis	707	8.6
Hepatitis	592	7.2
Encephalitis	296	3.6

Table 3. The measles vaccination status of reported measles cases in different age groups in Dongguan, 2005–2014.

		Vaccinated		Unvaccinated		Unknown
Classification	Total	n	%	n	%	n	%	2 value	P value
Age								798.22	<0.001
8 m-1 yr	1242	246	19.8	644	51.9	352	28.3
1–3 yr	1715	272	15.9	637	37.1	806	47.0
4–7 yr	955	136	14.2	220	23.0	599	62.7
7–14 yr	285	42	14.7	57	20.0	186	65.3
>14 yr	2571	89	3.5	655	25.5	1827	71.1
Sex								0.57	0.751
Male	3607	427	11.8	1225	34.0	1955	54.2
Female	3161	358	11.3	1093	34.6	1710	54.1
Residential status								34.19	<0.001
Local residents	1397	195	14.0	390	27.9	812	58.1
Immigrants	5371	590	11.0	1928	35.9	2853	53.1
Total	6768	785	11.6	2318	34.2	3665	54.2

Figure 3. The individual and the mean serum measles-specific IgG levels in pregnant women and normal newborns.

Table 4. Measles seroprevalence in <1 y population in Donguan, by month group, sex and residential status (%).

Classification	Total	n	%	χ2 value	P value
Month				290.41	<0.001
0	75	73	97.3
1	46	36	78.3
2	59	40	67.8
3	66	41	62.1
4	57	13	22.8
5	74	17	23.0
6	43	4	9.3
7	53	7	13.2
8	58	14	24.1
9	59	47	79.7
10	57	46	80.7
11	61	58	95.1
Sex				0.43	0.51
Male	385	211	54.8
Female	323	185	57.3
Residential status				2.26	0.13
Local residents	426	248	58.2
Immigrants	282	148	52.5
Total	708	396	55.9