Table 1.

Rate and relative risk during summer, rainy season and winter.

Community	population	Summer			Rainy season			Winter
		cases	rate	relative risk	cases	rate	relative risk	cases	rate	relative risk
Mapka	1148	26	22.72	0.40	29	25.56	0.36	42	36.62	0.48
Hauypongnai	3127	40	13.17	0.23	89	28.73	0.40	114	36.65	0.48
Nongwaisom	1235	9	8.23	0.15	16	13.95	0.19	14	12.35	0.16
Baanbon	1215	91	74.00	1.31	103	83.70	1.17	102	83.95	1.10
Saklookya	1542	58	37.72	0.67	122	79.31	1.11	135	87.81	1.15
Taladhauypong	795	97	120.29	2.13	153	190.57	2.66	157	196.10	2.58
Mapya	1080	27	25.49	0.45	44	41.35	0.58	39	36.61	0.48
Baanplong	632	48	75.43	1.34	54	84.62	1.18	52	81.90	1.08
Mapchalood	1050	188	178.29	3.16	195	185.24	2.59	238	226.57	2.98
Baanlang	1025	7	7.79	0.14	21	20.55	0.29	24	23.59	0.31
Watmaptaphut	1191	38	31.96	0.57	35	29.92	0.42	31	26.62	0.35
Samnukkabak	320	2	7.73	0.14	3	10.43	0.15	4	12.24	0.16
Watsopol	1088	76	69.77	1.24	62	57.67	0.81	71	66.00	0.87
Islam	875	35	39.78	0.70	66	75.50	1.05	109	124.00	1.63
Kaopai	830	12	14.47	0.26	14	16.63	0.23	4	5.12	0.07
Kodehin	1128	10	9.65	0.17	10	10.08	0.14	9	8.76	0.12
Taladmaptaphut	1191	56	46.69	0.83	60	50.24	0.70	29	25.05	0.33
Soiraumpattana	1088	141	128.86	2.28	155	141.27	1.97	160	146.60	1.93
Nongnamyen	537	1	5.63	0.10	1	6.70	0.09	1	5.80	0.08
Klongnamhoo	476	39	79.41	1.41	42	84.52	1.18	34	68.09	0.89
Nongbaudang	670	1	3.65	0.06	1	3.71	0.05	0	2.25	0.03
Nongpab	825	67	82.17	1.46	108	131.76	1.84	133	160.97	2.12
Takuanaupradoo	1670	319	190.72	3.38	396	236.65	3.31	381	227.96	3.00
Koakoknongtungmae	473	44	91.01	1.61	31	63.36	0.88	56	116.30	1.53
Krokyaicha	457	18	40.02	0.71	28	61.86	0.86	15	34.44	0.45