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 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.
Komiya
N
N
Field Epidemiology Training program, National Institute of Infectious Diseases (NIID), Tokyo, Japan. kominobu@nih.go.jp
Gu
Y
Y
Kamiya
H
H
Yahata
Y
Y
Matsui
T
T
Yasui
Y
Y
Okabe
N
N
D000293:Adolescent; D000328:Adult; D000956:Antigens, Viral / Q000032:analysis*; D000998:Antiviral Agents / Q000627:therapeutic use; D002648:Child; D005260:Female; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology / Q000302:isolation & purification*; D007251:Influenza, Human / Q000175:diagnosis / Q000188:drug therapy / Q000503:physiopathology* / Q000821:virology; D007564:Japan; D008297:Male; D008875:Middle Aged; D053139:Oseltamivir / Q000627:therapeutic use; D011933:Reagent Kits, Diagnostic; D020133:Reverse Transcriptase Polymerase Chain Reaction; D012574:Schools; D012680:Sensitivity and Specificity; D016896:Treatment Outcome; D055815:Young Adult; D053243:Zanamivir / Q000627:therapeutic use
D000956:Antigens, Viral; D000998:Antiviral Agents; D011933:Reagent Kits, Diagnostic; D053139:Oseltamivir; D053243:Zanamivir