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1978 - 1990年印度浦那的流感监测

Influenza surveillance in Pune, India, 1978-90.

作者信息

Rao B L, Banerjee K

机构信息

National Institute of Virology, Pune, India.

出版信息

Bull World Health Organ. 1993;71(2):177-81.

Abstract

Continuous surveillance of influenza was carried out in Pune between 1978 and 1990. Most of the cases were identified during investigation of 16 outbreaks of influenza in Pune over this period. The majority of cases were children. Ten of the outbreaks occurred during rainy seasons. A total of 290 isolates consisting of several antigenic variants of influenza type A (H3N2), type A (H1N1), and type B viruses were isolated from throat/nasal swabs that were processed in chick embryos and MDCK cell culture and identified using the haemagglutination inhibition test. These variants circulated every year or in alternate years. Nearly two-thirds of the influenza virus isolates (181 out of 290) were from children aged < 10 years. Seasonal analysis indicated that the highest number of isolates (174) were collected during the rainy months of July, August and September, with the maximum number (93) in July.

摘要

1978年至1990年间,在浦那开展了流感持续监测。在此期间,大多数病例是在对浦那16起流感疫情的调查中发现的。大多数病例为儿童。其中10起疫情发生在雨季。从咽喉/鼻拭子中分离出总共290株病毒,这些拭子在鸡胚和MDCK细胞培养中进行处理,并通过血凝抑制试验进行鉴定,这些病毒包括甲型(H3N2)、甲型(H1N1)和乙型流感病毒的几种抗原变体。这些变体每年或隔年传播。近三分之二的流感病毒分离株(290株中的181株)来自10岁以下儿童。季节性分析表明,分离株数量最多的时期(174株)是在7月、8月和9月的雨季,其中7月数量最多(93株)。

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