Underreporting of legionnaires disease in France : the case for more active surveillance.
In France, surveillance of legionnaires disease started in 1987 with a mandatory clinician-based notification system. An average of 54 cases were reported yearly between 1988 and 1995 and six non-nosocomial clusters were identified. In 1995 the surveilla
Infuso
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Hubert
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Etienne
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