关键词: 肾综合征出血热, 监测, 预防控制

Abstract: Objective To analyze the epidemiologic characteristics of hemorrhagic fever with renal syndrome(HFRS) in Cixi city from 1996 to 2011,providing a scientific basis for the prevention and control of the disease. Methods Regular surveillance of the epidemic and rodent infestation in Cixi city from 1996 to 2011 was conducted and analysis on the data collected was made. Results In the 16 years, there were totally 515 cases of HFRS in the whole city and 2 cases of death with an annual incidence of 2.35/105 and mortality of 0.39%. This disease occurred around the year with peaks seen from March to June. People aged between 20 and 50 years were most often affected, accounting for 72.04% of the total cases. In terms of occupation, farmers were more often affected accounting for 77.28%. The ratio of male to female was 2.71:1. Rattus norvegicus was the predominant species both outdoors and indoors, the virus-carrying rate being 5.32%(90/1692). Positive rat lung were typed by PCR as Hanta virus. Conclusion There are epidemic foci with house-rat types in Cixi city, which belongs to a low to moderate incidence area with a trend of annual declining in the incidence of HFRS. Strengthening of surveillance and rodent control is an effective measure for the prevention of HFRS epidemic.

Key words: Hemorrhagic fever with renal syndrome, Surveillance, Prevention and control