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目的为防控甲肝提供依据。方法运用流行病学方法进行调查。结果 2乡镇共报告甲肝病例246例,罹患率5.40‰,通过病例对照调查发现,发病原因主要是饮用当地水及食用该水制成的冷饮制品,OR值为1.9~8.24,95%可信区间为1.11~25.52。结论加强学校安全饮用水管理、取缔不合格三无产品、加强学生健康教育至关重要。
Objective To provide the basis for prevention and control of hepatitis A. Methods Using epidemiological methods to investigate. Results A total of 246 Hepatitis A cases were reported in towns and townships with an attack rate of 5.40 ‰. According to a case-control survey, the incidence was mainly found in drinking local water and drinking cold drink products with OR, 1.9 ~ 8.24, 95% confidence interval Is 1.11 ~ 25.52. Conclusion It is of crucial importance to strengthen the management of safe drinking water in schools, ban the unqualified products and enhance students’ health education.