Correlation between clonorchiasis incidences and climatic factors in Guangzhou, China

Particle and Fibre Toxicology

Ming Wang¹  Zhicong Yang¹  Tiegang Li¹ 

[1] Guangzhou Center for Disease Control and Prevention, Guangdong Province 510440, China

关键词: Early warning;    Correlation;    Risk factor;    Meteorological variables;    Clonorchiasis;   

Others  :  823000
DOI  :  10.1186/1756-3305-7-29

 received in 2013-08-20, accepted in 2014-01-09,  发布年份 2014

【 摘 要 】

Background

Human infection with Clonorchis sinensis is still a big public health problem in Guangzhou. To investigate the correlation between clonorchiasis and climatic factors, we analyzed the clonorchiasis reported cases and simultaneous meteorological data during 2006–2012 in Guangzhou City, China.

Findings

Annual incidence rate of clonorchiasis from 2006 to 2012 was 166.76, 191.55, 247.37, 213.82, 246.03, 274.71, and 239.63 (per 100 000), respectively. Each 1°C rise of temperature corresponded to an increase of 1.18% (95% CI 0.88% to 1.48%) in the monthly number of cases, and a one millimeter rise of rainfall corresponded to increase of 0.03% (95% CI 0.01% to 0.04%). Whereas each one percent rise of relative humidity corresponded to a decrease in the number of cases by 1.51% (95% CI -1.75% to -1.27%).

Conclusions

We reported incidence rates of clonorchiasis showed an increasing trend by years. Temperature and rainfall were positively associated with clonorchiasis incidence, while relative humidity was inversely associated with clonorchiasis incidence. Our study provided evidence that climatic factors affect the occurrence of clonorchiasis in Guangzhou city, China.

【 授权许可】

   
2014 Li et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

Figure 1.

Figure 2.

【 参考文献 】

• [1]Xu Y, Chen W, Bian M, Wang X, Sun J, Sun H, Jia F, Liang C, Li X, Zhou X, Huang Y, Yu X: Molecular characterization and immune modulation properties of Clonorchis sinensis-derived RNASET2. Parasit Vectors 2013, 6:360. BioMed Central Full Text
• [2]Rim HJ: Clonorchiasis: an update. J Helminthol 2005, 79:269-281.
• [3]Xue-Ming L, Ying-Dan C, Yi O, Hong-Man Z, Rui L, Weil M: Overview of human clonorchiasis sinensis in China. Southeast Asian J Trop Med Public Health 2011, 42:248-254.
• [4]Liu X, Li LS, Feng Y, Li H: [A national survey on current status of the important parasitic diseases in human population] (in Chinese). Chin J Parasitol Parasit Dis 2005, 23:332-340.
• [5]Wu W, Qian X, Huang Y, Hong Q: A review of the control of clonorchiasis sinensis and Taenia solium taeniasis/cysticercosis in China. Parasitol Res 2012, 111:1879-1884.
• [6]Li T: Varicella emergency vaccination seemed instrumental in declining chickenpox incidence in Guangzhou, Southern China. Rev Inst Med Trop Sao Paulo 2013, 55:217.
• [7]Lun ZR, Gasser RB, Lai DH, Li AX, Zhu XQ, Yu XB, Fang YY: Clonorchiasis: a key foodborne zoonosis in China. Lancet Infect Dis 2005, 5:31-41.
• [8]Li T, Yang Z, Luo L, Wang M: Dengue fever epidemiological status and relationship with meteorological variables in Guangzhou, Southern China, 2007–2012. Biomed Environ Sci 2013. in press
• [9]Li T, Yang Z, Wang M: Temperature, relative humidity and sunshine may be the effective predictors for occurrence of malaria in Guangzhou, southern China, 2006–2012. Parasit Vectors 2013, 6:155. BioMed Central Full Text
• [10]Li T, Yang Z, Wang M: Diurnal temperature range may be the risk factor for respiratory tract infections among the elderly in Guangzhou, China. Int J Biometeorol 2013. in press, PMID:23687823
• [11]Chen YD, Zhou CH, Xu LQ: Analysis of the results of two nationwide surveys on Clonorchis sinensis infection in China. Biomed Environ Sci 2012, 25:163-166.
• [12]Qian MB, Chen YD, Fang YY, Tan T, Zhu TJ, Zhou CH, Wang GF, Xu LQ, Zhou XN: Epidemiological profile of Clonorchis sinensis infection in one community, Guangdong, People’s Republic of China. Parasit Vectors 2013, 6:194. BioMed Central Full Text
• [13]Animal Diversity Web: Clonorchis sinensis. (http://animaldiversity.ummz.umich.edu/accounts/Clonorchis_sinensis/ webcite) Accessed 7 December 2013
• [14]Cross JH: Changing patterns of some trematode infections in Asia. Arzneimittelforschung 1984, 34:1224-1226.
• [15]Wei JB, Qu ZQ, Feng C: Comprehensive evaluation of clonorchiasis epidemiological factors by probability accumulation test in Guangan, Sichuan Province (in Chinese). Chin J Parasit Dis Contr 1997, 10:259-263.
• [16]Liang C, Hu XC, Lv ZY, Wu ZD, Yu XB, Xu J, Zheng HQ: Experimental establishment of life cycle of Clonorchis sinensis (in chinese). Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2009, 27:148-150.
• [17]Ye XP, Fu YL, Wu ZX, Anderson RM, Agnew A: The effects of temperature, light and water upon the hatching of the ova of Schistosoma japonicum. Southeast Asian J Trop Med Public Health 1997, 28:575-580.
• [18]Prasopdee S, Kulsuntiwong J, Piratae S, Khampoosa P, Thammasiri C, Suwannatrai A, Laha T, Grams R, Loukas A, Tesana S: Temperature dependence of Opisthorchis viverrini infection in first intermediate host snail, Bithynia siamensis goniomphalos. Acta Trop 2013. (in press)
• [19]CAO Zhiguo: Prevalent status of clonorchiasis and its control in China (in Chinese). China Tropical Medicine 2007, 8:1455-1457.
• [20]Yang J, Zhao Z, Li Y, Krewski D, Wen SW: A multi-level analysis of risk factors for Schistosoma japonicum infection in China. Int J Infect Dis 2009, 13:e407-e412.
• [21]Xu XJ, Wei FH, Yang XX, Dai YH, Yu GY, Chen LY, Su ZM: Possible effects of the Three Gorges dam on the transmission of Schistosoma japonicum on the Jiang Han plain, China. Ann Trop Med Parasitol 2000, 94:333-341.
• [22]Xu XJ, Yang XX, Dai YH, Yu GY, Chen LY, Su ZM: Impact of environmental change and schistosomiasis transmission in the middle reaches of the Yangtze River following the Three Gorges construction project. Southeast Asian J Trop Med Public Health 1999, 30:549-555.
• [23]Li G, He X, Saidu K: Epidemiology and control of clonorchiasis sinensis in China. Southeast Asian J Trop Med Public Health 2001, 32:8-11.
• [24]Wykoff DE, Harinasuta C, Juttijudata P, Winn MM: Opisthorchis viverrini in Thailand-the life cycle and comparison with O. felineus. J Parasitol 1965, 51:207-214.
• [25]Niaz S, Akhtar T, Hasanat A, Qureshi AW: Prevalence of snails and Schistosome cercariae and correlation with meteorological factors in Punjab, Pakistan. Iran J Vet Res 2013, 14:161-164.
• [26]Lin LJ, Wen LY: Role of Oncomelania hupensis in transmission of schistosomiasis japonica (in Chinese). Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2013, 25:83-85.
• [27]Jeon HK, Lee D, Park H, Min DY, Rim HJ, Zhang H, Yang Y, Li X, Eom KS: Human infections with liver and minute intestinal flukes in Guangxi, China: analysis by DNA sequencing, ultrasonography, and immunoaffinity chromatography. Korean J Parasitol 2012, 50:391-394.