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1990 - 1年巴西里约热内卢阶段的登革热疫情:登革热1型和登革热2型血清型的共同传播

Dengue epidemic in the stage of Rio de Janeiro, Brazil, 1990-1: co-circulation of dengue 1 and dengue 2 serotypes.

作者信息

Nogueira R M, Miagostovich M P, Lampe E, Souza R W, Zagne S M, Schatzmayr H G

机构信息

Departamento de Virologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.

出版信息

Epidemiol Infect. 1993 Aug;111(1):163-70. doi: 10.1017/s0950268800056788.

Abstract

During 1990 and 1991, dengue fever was detected in the State of Rio de Janeiro, Brazil. It occurred in two epidemic waves; one, from January to August 1990, caused predominantly by dengue virus type 1 (DEN-1) the other from October 1990 to May 1991 caused by type 2 virus (DEN-2). Dengue was confirmed by virus isolation and/or IgM capture enzyme-linked immunosorbent assay (MAC-ELISA) in 2109/5964 (35.4%) of the cases. DEN-2 virus was isolated from 180 patients. HAI tests indicated that of these previous infection with DEN-1 had occurred in 130 (72%). The epidemic was classified as dengue fever, but severe and even fatal cases occurred in association with secondary infection.

摘要

1990年至1991年期间,巴西里约热内卢州发现了登革热。它以两次疫情的形式出现;一次是1990年1月至8月,主要由1型登革热病毒(DEN-1)引起,另一次是1990年10月至1991年5月,由2型病毒(DEN-2)引起。通过病毒分离和/或IgM捕获酶联免疫吸附测定(MAC-ELISA)在2109/5964(35.4%)病例中确诊为登革热。从180名患者中分离出了DEN-2病毒。血凝抑制试验表明,在这些患者中,130人(72%)曾感染过DEN-1。此次疫情被归类为登革热,但严重甚至致命的病例与继发感染有关。

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