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Paper Information

Journal:   IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE   JANUARY 2010 , Volume 14 , Number 47; Page(s) 47 To 53.
 
Paper: 

TEN YEARS INCIDENCE OF LEPTOSPIROSIS IN GUILAN (1999 TO 2008)

 
 
Author(s):  HONARMAND H.R.*, RESAEI H., REZVANI M., HOSSEINI S., RAHBAR M.
 
* 
 
Abstract: 
Background and objective: Leptospirosis is one of the most widespread Zoonosis in the world with more prevalence in tropical, subtropical and temperate regions. Flat area of Guilan province, along Caspian sea, with humid temperate climate, is a region with ecological situations favor to a high incidence of human leptospirosis. This study is performed to determine the incidence, demographical features, and most clinical signs of Leptospirosis in flat area of Guilan province, Iran.
Materials and methods: All collected sera from patients with clinical diagnosis of leptopirosis were studied by a commercial IgM-ELISA kit. Demographic and epidemiological data of patients with positive titer were analyzed.
Results: Totally 2045 patients had positive titer.68.9% of them were male, 80.7% were villager, 68.9% were rice farmer, 97.3% had near work experience in rice farm, 27.5% had contact with surface waters, and 28.9% had close contact with animals. Incidence of the disease was more common in Somesara, Rasht, and Lahijan respectively. 40.7% of patients were in 30-50 age group and 35.9% of them were over 50 years old. Average of incidence and mortality were 9.7 and 4.3 respectively. Relationship between age and work in rice paddy with occurrence of the disease was significant. Fever, myalgia, Icterrus and conjunctivitis were most commn symptoms durind hospitalization.
Conclusion: leptospirosis is more common in central area of flat region of Guilan and is more frequent in rural regions, from late spring to end of summer, mainly in rice farmers, and is a occupational disease. The common Symptoms of the disease in the area are fever, myalgia, Icterus and conjunctivitis.
 
Keyword(s): LEPTOSPIROSIS, ELISA, EPIDEMIOLOGY
 
References: 
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