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  1. An epidemic of acute haemorrhagic conjunctivitis caused by enterovirus 70 in Okinawa, Japan, in 1994.

    Article - En anglais

    Background 

    Although enterovirus 70 (EV70) has been identified as the major aetiological agent of acute haemorrhagic conjunctivities (ACH), no EV70 strain has been isolated by cell culture method since 1988.

    Therefore, recent clinical and epidemiological characteristics of AHC caused by EV70 have not been clarified.

    Methods 

    Clinical and serological studies were carried out on patients during the AHC epidemic in Okinawa, Japan, in 1994 in which 7509 cases were reported by national epidemiological surveillance.

    EV70 was confirmed as the causative agent by reverse-transcription polymerase chain reaction.

    Results 

    The 11-15 years age group contained the highest number of cases (62% of the total).

    Conjunctival hyperaemia was present in all patients, and subconjunctival haemorrhage, superficial punctate keratitis and preauricular lymphadenopathy were present in 24.0%, 11.7% and 9.3% of AHC cases, respectively.

    No neurological complication was observed in this epidemic.

    Out of 31 paired serum samples, 10 pairs showed a fourfold rise in antibody level to EV70.

    None of the paired serum samples showed a fourfold rise in antibody level to Coxsackie A24 variant virus.

    Conclusion 

    These findings demonstrate that the clinical features of AHC observed in this study were milder than those reported previously, in contrast to the high transmission rate during an epidemic. (...)

    Mots-clés Pascal : Conjonctivite hemorragique épidémique, Virose, Infection, Enterovirus, Picornaviridae, Virus, Japon, Asie, Epidémiologie, Exploration clinique, Homme, Oeil pathologie, Conjonctive pathologie

    Mots-clés Pascal anglais : Epidemic hemorrhagic conjunctivitis, Viral disease, Infection, Enterovirus, Picornaviridae, Virus, Japan, Asia, Epidemiology, Clinical investigation, Human, Eye disease, Conjunctiva disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0352752

    Code Inist : 002B05C02B. Création : 14/12/1999.