目的分析2011年南宁市法定报告传染病的流行病学特征及其变化规律,为制定有效的传染病防治策略提供科学依据。方法对南宁市2011年法定报告传染病疫情资料进行整理,采用率、构成比等指标对法定传染病的流行病学特征进行描述性分析。结果 2011年南宁市共报告法定传染病24种73 007例,死亡232例,发病率为1 095.94/10万,死亡率为3.48/10万。报告发病人数中乙、丙类传染病分别占32.00%、68.00%,死亡病例中乙类传染病所占构成比为99.14%。乙类传染病以血源及性传播传染病最多,报告发病数在前5位的病种分别是病毒性肝炎(37.1%)、肺结核(25.45%)、梅毒(23.26%)、淋病(6.06%)和痢疾(4.16%)。丙类传染病报告发病数居前3位的病种分别是手足口病(72.31%)、流行性腮腺炎(13.97%)和其它感染性腹泻(9.62%)。结论南宁市2011年法定报告传染病发病率较高,乙类传染病和丙类传染病流行病学特征不同,应采取有针对性的措施对疾病进行防控。 Objective To analyze the epidemiological characteristics and changes of statutory reported communicable diseases in Nanning City in 2011 and provide a scientific basis for formulating effective prevention and control strategies of infectious diseases. Methods Descriptive analysis of the epidemiological characteristics of notifiable infectious diseases in Nanning City in 2011 by sorting out the data of the epidemic of notifiable infectious diseases, adopting the indexes of rate of utilization and composition ratio, etc. Results In 2011, a total of 73 007 cases of statutory infectious diseases were reported in Nanning City, 232 cases were dead. The morbidity rate was 1095.94 / 100000 and the death rate was 3.48 / 100000. The reported incidence of Category B and C infectious diseases accounted for 32.00% and 68.00%, respectively, and the proportion of Group B infectious diseases in deaths was 99.14%. The number of infectious diseases of Category B infectious diseases was the highest in blood and sexually transmitted diseases. The top five reported cases were viral hepatitis (37.1%), tuberculosis (25.45%), syphilis (23.26%), gonorrhea (6.06% ) And dysentery (4.16%). The top three reported cases of type C infectious diseases were hand, foot and mouth disease (72.31%), mumps (13.97%) and other infectious diarrhea (9.62%) respectively. Conclusion Nanning City, the statutory report in 2011 the incidence of infectious diseases is higher, epidemiological characteristics of Category B infectious diseases and Category C infectious diseases are different, we should take targeted measures to prevent and control the disease.