Clinical features of cases of influenza A (H1N1)v in Osaka prefecture, Japan, May 2009

This report describes the clinical characteristics of influenza A(H1N1)v virus infection in Osaka. By the end of May, 171 cases had been reported in Osaka. Most patients were from one school. No patient had a serious underlying medical condition.Clinical symptoms were mild and resembled those of sea...

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Published inEuro surveillance : bulletin européen sur les maladies transmissibles Vol. 14; no. 29
Main Authors Komiya, N, Gu, Y, Kamiya, H, Yahata, Y, Matsui, T, Yasui, Y, Okabe, N
Format Journal Article
LanguageEnglish
Published Sweden 23.07.2009
Subjects
Adolescent
Adult
Antigens, Viral - analysis
Antiviral Agents - therapeutic use
Child
Female
Humans
Influenza A Virus, H1N1 Subtype - immunology
Influenza A Virus, H1N1 Subtype - isolation & purification
Influenza, Human - diagnosis
Influenza, Human - drug therapy
Influenza, Human - physiopathology
Influenza, Human - virology
Japan
Male
Middle Aged
Oseltamivir - therapeutic use
Reagent Kits, Diagnostic
Reverse Transcriptase Polymerase Chain Reaction
Schools
Sensitivity and Specificity
Treatment Outcome
Young Adult
Zanamivir - therapeutic use
Japan
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Summary:This report describes the clinical characteristics of influenza A(H1N1)v virus infection in Osaka. By the end of May, 171 cases had been reported in Osaka. Most patients were from one school. No patient had a serious underlying medical condition.Clinical symptoms were mild and resembled those of seasonal influenza. The sensitivity of the rapid antigen test was 77%. Antivirals were given to the majority of the cases. Early antiviral treatment may have shortened the duration of fever.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1560-7917
1560-7917
DOI:10.2807/ese.14.29.19272-en