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  1. Influenza in Madrid, Spain, 1991-92 : validity of the sentinel network.

    Article, Communication - En anglais

    Hannover sentinel workshop. Hannover DEU, 1994/03/04.

    Objectives

    The aim was, firstly, to study the validity of the sentinel network data by analysing the correlation between the weekly influenza cases detected by the network and the number of cases notified to the compulsory disease notification system and, secondly, to describe the epidemiology of the period 1991-92 in terms of the sentinel network data.

    Design

    The study design was descriptive.

    Subjects

    The population resident in the city of Madrid.

    Main Results

    There was a high correlation between the cases notified to the compulsory disease notification system and those listed by the sentinel network (r=0.91, p<0.001, r2=0.82).

    The epidemic activity during the period 1991-92 was centred approximately on week 48 in 1991 and week 6 in 1992 (24 November 1991-8 February 1992).

    Altogether 913 cases of influenza were notified through the sentinel network.

    The greatest number of cases occurred in people aged between 20 and 39 years.

    Conclusion

    For the epidemiological surveillance of influenza it is necessary to develop systems that can quickly detect epidemic periods and provide information about populations at risk, in addition to systems that isolate and identify seasonal epidemic viruses.

    Both types of data will help the development of adequate public health policies.

    Sentinel networks provide these data and offer additional advantages such as lower cost.

    Mots-clés Pascal : Grippe, Virose, Infection, Surveillance sanitaire, Réseau, Homme, Epidémiologie, Espagne, Europe, Madrid

    Mots-clés Pascal anglais : Influenza, Viral disease, Infection, Sanitary surveillance, Network, Human, Epidemiology, Spain, Europe

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

    Cote : 95-0489482

    Code Inist : 002B05C02C. Création : 01/03/1996.