Living with <i>Legionella</i> and Other Waterborne Pathogens

<i>Legionella</i> spp. and other opportunistic premise plumbing pathogens (OPPPs), including <i>Pseudomonas aeruginosa</i>, <i>Mycobacterium avium</i>, <i>Stenotrophomonas maltophilia</i>, and <i>Acinetobacter baumannii</i>, are normal inha...

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Main Author: Joseph O. Falkinham
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/8/12/2026
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author Joseph O. Falkinham
author_facet Joseph O. Falkinham
author_sort Joseph O. Falkinham
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description <i>Legionella</i> spp. and other opportunistic premise plumbing pathogens (OPPPs), including <i>Pseudomonas aeruginosa</i>, <i>Mycobacterium avium</i>, <i>Stenotrophomonas maltophilia</i>, and <i>Acinetobacter baumannii</i>, are normal inhabitants of natural waters, drinking water distribution systems and premise plumbing. Thus, humans are regularly exposed to these pathogens. Unfortunately, <i>Legionella</i> spp. and the other OPPPs share a number of features that allow them to grow and persist in premise plumbing. They form biofilms and are also relatively disinfectant-resistant, able to grow at low organic matter concentrations, and able to grow under stagnant conditions. Infections have been traced to exposure to premise plumbing or aerosols generated in showers. A number of measures can lead to reduction in OPPP numbers in premise plumbing, including elevation of water heater temperatures.
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spelling doaj.art-f2583cd3e69f4e96917aba5aa7d98ae02023-11-21T01:26:42ZengMDPI AGMicroorganisms2076-26072020-12-01812202610.3390/microorganisms8122026Living with <i>Legionella</i> and Other Waterborne PathogensJoseph O. Falkinham0Department of Biological Sciences, Virginia Tech, Blacksburg, VA 24061, USA<i>Legionella</i> spp. and other opportunistic premise plumbing pathogens (OPPPs), including <i>Pseudomonas aeruginosa</i>, <i>Mycobacterium avium</i>, <i>Stenotrophomonas maltophilia</i>, and <i>Acinetobacter baumannii</i>, are normal inhabitants of natural waters, drinking water distribution systems and premise plumbing. Thus, humans are regularly exposed to these pathogens. Unfortunately, <i>Legionella</i> spp. and the other OPPPs share a number of features that allow them to grow and persist in premise plumbing. They form biofilms and are also relatively disinfectant-resistant, able to grow at low organic matter concentrations, and able to grow under stagnant conditions. Infections have been traced to exposure to premise plumbing or aerosols generated in showers. A number of measures can lead to reduction in OPPP numbers in premise plumbing, including elevation of water heater temperatures.https://www.mdpi.com/2076-2607/8/12/2026premise plumbingdisinfectant-resistantoligotrophicstagnantbiofilm formation
spellingShingle Joseph O. Falkinham
Living with <i>Legionella</i> and Other Waterborne Pathogens
Microorganisms
premise plumbing
disinfectant-resistant
oligotrophic
stagnant
biofilm formation
title Living with <i>Legionella</i> and Other Waterborne Pathogens
title_full Living with <i>Legionella</i> and Other Waterborne Pathogens
title_fullStr Living with <i>Legionella</i> and Other Waterborne Pathogens
title_full_unstemmed Living with <i>Legionella</i> and Other Waterborne Pathogens
title_short Living with <i>Legionella</i> and Other Waterborne Pathogens
title_sort living with i legionella i and other waterborne pathogens
topic premise plumbing
disinfectant-resistant
oligotrophic
stagnant
biofilm formation
url https://www.mdpi.com/2076-2607/8/12/2026
work_keys_str_mv AT josephofalkinham livingwithilegionellaiandotherwaterbornepathogens