ZHAN Fa—xian, PAN Nan—sheng, YE Guo-jun, CHEN Si—li, GONG Zhen—kui, LIU Chuan—nan, ZHU Hong—hao and CHEN Fen. Influenza Epidem ic Situation Year of 2001 in Analysis in the Epidemic Hubei Area[J]. Virologica Sinica, 2002, 17(4): 315-318.
Citation: ZHAN Fa—xian, PAN Nan—sheng, YE Guo-jun, CHEN Si—li, GONG Zhen—kui, LIU Chuan—nan, ZHU Hong—hao, CHEN Fen. Influenza Epidem ic Situation Year of 2001 in Analysis in the Epidemic Hubei Area .VIROLOGICA SINICA, 2002, 17(4) : 315-318.

湖北地区2001年度流感疫情分析

  • 通过流感病毒分离、人群流感抗体水平测定和流行病学调查对2001年度(2001年3月至2002年3月)湖北 地区流感疫情进行了分析。结果表明:本年度湖北武汉地区出现过两次流感季节性小流行.第一次在2001年8~9 月,主要由甲1型流感病毒引起;第二次在2001年12月至2002年1月,以甲3型流感病毒占优势。从病毒分离鉴 定和抗体水平测定的情况分析,这次流行的甲3型流感病毒与1999年分离的毒株相比,可能发生了抗原性漂移。

Influenza Epidem ic Situation Year of 2001 in Analysis in the Epidemic Hubei Area

  • The influenza epidemic situation in the epidemic year of M arch 200 1 to March 2002 in Hubei area was analyzed according to the results of isolations of Infzuenza viruses,detection of human antibodies against Infzuenza viruses and epidemiological survey.It was concluded that there were two epidemics during the epidemic year.One in August and September of 200 1 was mainly caused by A1 type of Infzuenza viruses.Another was caused by the dominant strains of A3 type.It was also shown that the isolated strains of A3 type during this epidemic year likely underwent some antigenic draft, compared with the A3 type of Infzuenza viruses isolated in 1 999.

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    Influenza Epidem ic Situation Year of 2001 in Analysis in the Epidemic Hubei Area

    • 1. 1.Hubei Acedemy ofPreventive Medicine,Wuhan 430079,China
    • 2. Wuhan Anti—epidemic and Sanitary Station,Wuhan 430022,China

    Abstract: The influenza epidemic situation in the epidemic year of M arch 200 1 to March 2002 in Hubei area was analyzed according to the results of isolations of Infzuenza viruses,detection of human antibodies against Infzuenza viruses and epidemiological survey.It was concluded that there were two epidemics during the epidemic year.One in August and September of 200 1 was mainly caused by A1 type of Infzuenza viruses.Another was caused by the dominant strains of A3 type.It was also shown that the isolated strains of A3 type during this epidemic year likely underwent some antigenic draft, compared with the A3 type of Infzuenza viruses isolated in 1 999.

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