MMWR Morb Mortal Wkly Rep. 1998 Jan 9;46(52-53):1245-7.
As of January 6, 1998, a total of 16 confirmed and three suspected cases of human infection with avian influenza A(H5N1) viruses have been identified in Hong Kong. Confirmed cases are those from which an influenza A(H5N1) virus was isolated or in which a seroconversion to influenza A(H5N1) virus was detected by a neutralization assay. Suspected cases are those with influenza-like illness (ILI) and preliminary laboratory evidence of influenza A(H5N1) infection. This report summarizes interim findings from the ongoing epidemiologic and laboratory investigation of influenza A(H5N1) cases by health officials in Hong Kong and by CDC.
截至1998年1月6日，香港共发现16例确诊的人类感染甲型H5N1禽流感病毒病例和3例疑似病例。确诊病例是指分离出甲型H5N1流感病毒或通过中和试验检测到对甲型H5N1流感病毒血清转化的病例。疑似病例是指患有流感样疾病（ILI）且有甲型H5N1流感感染初步实验室证据的病例。本报告总结了香港卫生官员和美国疾病控制与预防中心（CDC）对甲型H5N1流感病例正在进行的流行病学和实验室调查的中期结果。
