Reinfection with influenza B virus in children: analysis of the reinfection influenza B viruses
Identifieur interne : 001D92 ( Main/Exploration ); précédent : 001D91; suivant : 001D93Reinfection with influenza B virus in children: analysis of the reinfection influenza B viruses
Auteurs : S. Nakajima [Japon] ; F. Nishikawa [Japon] ; K. Nakamura [Japon] ; H. Nakao [Japon] ; K. Nakajima [Japon]Source :
- Epidemiology and Infection [ 0950-2688 ] ; 1994-08.
Abstract
Influenza B virus reinfection in Japanese children was studied epidemi-ologically during 1979–91 and virologically during 1985–91. During this investigation, there were four epidemics caused by influenza B viruses, each of which accompanied antigenic drift. Between the epidemics in 1987/88 and 1989/90, the viruses changed drastically, both genetically and antigenically. The minimum rate of reinfection with influenza B virus during the whole period was 3–25% depending on the influenza seasons. The antigens of primary and reinfection strains of influenza B virus isolated from 18 children during 1985–90, which covered three epidemic periods, were studied by haemagglutination inhibition tests. The results showed that the viruses isolated in the 1984/85 and 1987/88 influenza seasons, which belonged to the same lineage, were antigenically close, and reinfection occurred with these viruses. The results of amino-acid analysis of the HA1 polypeptide of these viruses corresponded with those of antigenic analysis. There were no specific amino-acid changes shared by the primary infection and reinfection influenza B viruses; the patients were infected with the viruses epidemic at that time.
Url:
DOI: 10.1017/S0950268800051517
Affiliations:
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Infect.</title><idno type="ISSN">0950-2688</idno><idno type="eISSN">1469-4409</idno><imprint><publisher>Cambridge University Press</publisher><pubPlace>Cambridge, UK</pubPlace><date type="published" when="1994-08">1994-08</date><biblScope unit="volume">113</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="103">103</biblScope><biblScope unit="page" to="112">112</biblScope></imprint><idno type="ISSN">0950-2688</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0950-2688</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Influenza B virus reinfection in Japanese children was studied epidemi-ologically during 1979–91 and virologically during 1985–91. During this investigation, there were four epidemics caused by influenza B viruses, each of which accompanied antigenic drift. Between the epidemics in 1987/88 and 1989/90, the viruses changed drastically, both genetically and antigenically. The minimum rate of reinfection with influenza B virus during the whole period was 3–25% depending on the influenza seasons. The antigens of primary and reinfection strains of influenza B virus isolated from 18 children during 1985–90, which covered three epidemic periods, were studied by haemagglutination inhibition tests. The results showed that the viruses isolated in the 1984/85 and 1987/88 influenza seasons, which belonged to the same lineage, were antigenically close, and reinfection occurred with these viruses. The results of amino-acid analysis of the HA1 polypeptide of these viruses corresponded with those of antigenic analysis. 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