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1999年 10月至 2 0 0 0年 2月 ,大多数国家以甲型流感 ( H3N2 )病毒为主。对流感病毒分离株的抗原性分析表明 ,甲型流感 ( H3N2 )病毒分离株的抗原性与 A/莫斯科 / 10 / 99和 A/巴拿马 /2 0 0 7/ 99密切相关 ;甲型流感 ( H1N1)病毒分离株的抗原性与 A/新喀里多尼亚 / 2 0 / 99或 A/巴伐利亚 / 7/ 95相关 ;乙型流感病毒分离株的抗原性与 B/北京 / 184 / 93和广泛使用的疫苗株 B/山梨 / 166/98相关
From October 1999 to February 2000, influenza A (H3N2) virus predominated in most countries. Antigenic analysis of influenza virus isolates showed that the antigenicity of the influenza A (H3N2) virus isolate was closely related to A / Moscow / 10/99 and A / Panama / 2007/99; Influenza A (H1N1 ) Antigenicity of the virus isolates correlated with A / New Caledonia / 2.0 / 99 or A / Bavaria / 7/95; antigenicity of influenza B virus isolates with B / Beijing / 184/93 and extensive The vaccine strain used was B / Yamanashi / 166/98 related