International Journal of Epidemiology 2002;31:189-193
© International Epidemiological Association 2002
Infectious Diseases |
Climatic, reservoir and occupational variables and the transmission of haemorrhagic fever with renal syndrome in China
a The Centre for Healthcare Related Infection Surveillance and Prevention, Princess Alexandra Hospital, Ipswich Road, Woolloongabba, Qld 4102, Australia. E-mail: peng_bi{at}health.qld.gov.au
b Centre for Public Health Research, Queensland University of Technology, Kelvin Grove, Qld 4059, Australia.
c The Graduate School of Medicine, The University of Queensland, Herston, Qld 4006, Australia.
d Faculty of Rural Management, University of Sydney, Orange, NSW 2800, Australia.
e Department of Epidemiology, Anhui Medical University, Hefei, Anhui, China.
Abstract
Background Being a zoonosis, the transmission of haemorrhagic fever with renal syndrome (HFRS) is influenced by climatic, reservoir and occupational factors. This paper has quantified the incidence and potential risk factors of HFRS in Yingshang County, a low-lying epidemic focus of the disease in China.
Methods Correlation and regression analyses were conducted among climatic variables, the density of mice, autumn crop production and annual incidence of HFRS during the autumn-winter seasons in the County over the period 1980–1996.
Results Rainfall (r = –0.63, P = 0.009), the density of mice (r = 0.90, P = 0.000) and autumn crop production (r = 0.67, P = 0.01) were statistically correlated with the incidence of HFRS. Multiple regression analysis indicated that these factors are potential predictors for HFRS transmission.
Conclusions Rainfall, the density of mice and autumn crop production could be used as predictors of HFRS transmission in low-lying epidemic foci.
Keywords HFRS, Hantaan virus, climate, mice, occupation
Accepted 9 May 2001
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