目的 了解安徽省流感病毒活动特征,为流感科学防控提供依据。 方法 对2010~2015年度安徽省流感监测哨点医院流感样病例标本病原学检测结果进行统计分析。 结果 2010~2015年度安徽省流感样病例阳性率依次为9.44%、12.83%、8.40%、14.95%和13.28%;总体呈现季H3型、新甲H1型和B型交替或共同流行的态势;每年冬春季高峰必然出现,多出现在1~3月;而夏季高峰隔年出现,多出现在7~9月;A型流感病毒在夏季和冬春季高发,而B型流感则只在冬春季高发。 结论 每年1~3月和7~9月是安徽省流感防控的重点时期。应进一步加强监测,研究本地区流感活动特点。

Objective To understand the epidemical characteristics of influenza virus in Anhui province,provide a scientific basis for defending influenza. Methods To analyze the data of influenza virus surveillance on influenza like illness (ILI) in Anhui province from 2010 to 2015. Results From 2010 to 2015, the positive rate of influenza virus of ILI were 9.44%, 12.83%, 8.40%, 14.95% and 13.28%, respectively. A (H1N1), seasonal H3N2 and type B influenza virus were epidemic alternately or jointly. The annual winter-spring peak will appear from January to March, and the summer peak will appear from July to September every other year. Type A influenza virus could due to the peak in both summer and winter-spring, but type B only in winter-spring. Conclusion Surveillance should be strengthened to research the epidemical characteristics of influenza. 1-3 months and 7-9 months of apear were the focus periods of influenza prevention and control in Anhui province.