DIPARTIMENTO DI PREVENZIONE
SERVIZIO DI IGIENE E SANITA' PUBBLICA
Via Boncompagni 101 - 00187 Roma
Tel. 06 77305264 Fax 06 77305281
LE INFEZIONI DA LEGIONELLA
Conoscerle e prevenirle
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Tab. 1 IMPIANTO IDRICO
Tipo di intervento in base alla concentrazione di Legionella
riscontrata nell'impianto
Concentrazione di
Legionella (UFC/L)
Intervento richiesto
Minore di 100 UFC/L
Nessun intervento richiesto.
Maggiore di 100 UFC/L ma
minore o uguale a 1000
UFC/L
Verificare che siano in atto le
misure di controllo. Negli
stabilimenti termali effettuare
comunque una bonifica.
Maggiore di 1000 UFC/L ma
minore o uguale a 10000
UFC/L
In assenza di casi, verificare
che siano in atto le misure di
controllo ed effettuare una
valutazione del rischio.
In presenza di un caso
singolo o di un cluster,
rivedere le misure di
controllo messe in atto ed
effettuare una bonifica.
Maggiore di 10000 UFC/L
Mettere in atto
immediatamente le misure di
bonifica, anche in assenza di
casi. Verificare l'efficacia
delle misure adottate, sia
immediatamente dopo la
bonifica, che periodicamente.
Come si previene
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Tab. 2 TORRI DI RAFFREDDAMENTO
Tipo di intervento in base alla concentrazione di Legionella
riscontrata nell'impianto
Concentrazione di
Legionella (UFC/L)
Intervento richiesto
Nessun intervento richiesto.
Maggiore di 10000 UFC/L
Mettere in atto
immediatamente le misure di
bonifica, anche in assenza di
casi. Verificare l'efficacia
delle misure adottate, sia
immediatamente dopo la
bonifica, che periodicamente.
In assenza di casi, verificare
che siano in atto le misure di
controllo ed effettuare una
valutazione del rischio.
In presenza di un caso
singolo o di un cluster,
rivedere le misure di
controllo messe in atto ed
effettuare una bonifica.
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Hanno collaborato:
Dr. Bruno Corda
Direttore Servizio Igiene e Sanità Pubblica ASL RM A
Dr.ssa Andreina Ercole
Dr. Roberto Boggi
Dr.ssa Barbara Giudiceandrea
Dr. Alberto Piccoli
Dr. Giorgio Esterini