摘要
目的了解海南省流感的流行特征和病原学变化规律。方法对2007—2008年海南省流感监测哨点医院的监测资料、流感样病例病毒分离与鉴定结果,进行整理、分析。结果 2007—2008年海南省哨点医院报告的流感样病例就诊高峰出现在夏季和冬季,2年间不同地区的流感样病例构成差异有统计学意义(χ2=1 033,P<0.01);流感样病例主要集中在小年龄组,各年龄组间流感样病例构成差异有统计学意义(χ2=1 400,P<0.01);2007年流感病毒分离率为11.26%,B型为优势毒株;2008年流感病毒分离率为6.62%,H1N1型和B型为优势毒株;2007年的分离率高于2008年(χ2=9.691,<0.01)。结论海南省夏季和冬季是流感预防控制重点时段,儿童和少年是重点防控人群,同时应重视病毒优势毒株的变迁。
Objective To get an insight into the variability and prevalence characteristics of influenza in Hainan from 2007 to 2008.Methods Descriptive analysis and χ2-test were applied to analyze the flu-like cases and virologic surveillance results during 2007-2008 based on the data from influenza sentinel hospitals in Hainan province.Results Influenza-like illness（ILI）occurred with high incidence during summer and winter.The proportion of ILI in different areas were significantly different during 2007-2008（χ2 = 1033,P〈0.01）.The cases were mainly distributed in 0-4 and 5-14 year age groups,accounting for 70.17%of all ILI cases,and there were significant differences in ILI incidence among different age groups（χ2=1400,P〈0.001）.The positive rate of influenza virus isolation was 11.26% in 2007 and 6.62% in 2008.Influenza B viruses were predominant（55.26%）in 2007,but the dominant virus strains in 2008 were influenza A（H1N1）（41.18%）and influenza B viruses（37.25%）.The positive rate of isolation in 2007 was higher than that in 2008（χ2=9.69,P〈0.01）.Conclusion Summer and winter are the key periods for influenza prevention and control in Hainan province,and it is necessary to strengthen the prevention and control of influenza among adolescents and children.Meanwhile,the dominant virus strain change needs to be monitored.
出处
《中国公共卫生》
CAS
CSCD
北大核心
2014年第4期493-495,共3页
Chinese Journal of Public Health
基金
海南省卫生厅科研立项基金(琼卫2006-7号)
