Control and Treatment of Legionella

Legionella or Legionella is a Gram negative rod-shaped bacterium. They live in stagnant waters with a wide temperature range. Its growth is favored by the presence of organic matter. Requires oxygen to breathe and has a flagellum to move. Among the different types, the species Legionella pneumophila causes Legionnaires' disease, or Legionellosis. Legionella infection may present as atypical pneumonia or a febrile illness without pulmonary targeting called Pontiac fever.

Legionella can lead to pulmonary complications, their symptoms are fatigue, difficulty breathing and sometimes diarrhea or muscle aches. It can be detected by a simple examination of urine.


Although different regions have specific legislation for them, prevention and control of disease is nationally legislated primarily by RD 865/2003 of 4 July, the hygienic-sanitary criteria for prevention and control of legionellosis, taking into account specified in Annex 3, paragraph B, RD 865/2003 indicates that "facilities drinking water cold and hot water will be cleaned and disinfected at least once a year, when they put up the system for the first time after a stop than a month after a structural repair or modification, when an overhaul so requires and when determined by the health authority. "

Facilities increased risk of proliferation and deispersión have a minimum frequency of cleaning and disinfection semester (Cooling towers and evaporative condensers, hot water systems with storage and return circuit, central humidifiers, water systems heated with constant stirring and recirculation ...).

Guadalplaga, always following the protocol, offers a program of prevention and control of Legionellosis by adequate sanitary facilities continued drinking water (cleaning and disinfection of tanks, accumulators, endpoints, network analysis measures in approved laboratory and microbiological official certificate of treatment), as well as advice on structural changes to prevent stagnation and growth of the bacterium.

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