Given the importance of disinfecting showerheads from species and the lack of instructions as to how to successfully achieve this, the aim of this study was to examine the ability of domestic steam disinfection to successfully disinfect showerheads from species. Steam disinfection of [=3; serogroup 2–15 (wildtype environmental water isolate); serogroup 1 NCTC11192 (reference strain); serogroup 1 (wildtype environmental water isolate)], (wildtype environmental water isolate) and CRM11368M (reference strain) were examined in this study. Steam disinfection employing a baby bottle steam disinfector device eradicated all organisms tested. Steam disinfection, when performed properly under the manufacturer’s instructions, offers a relatively inexpensive, simple, versatile and widely available technology for the elimination of species from contaminated showerheads. We therefore advocate the employment of such devices to regularly disinfect showerheads and shower tubing in hairdressing salons, barber shops and gyms, as a critical control in the elimination of these organisms from these sources, thereby enhancing customer/client/staff safety.

  • This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial License. This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding author’s institution.

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  1. Hayes-Phillips D, Bentham R, Ross K, Whiley H. Factors influencing Legionella contamination of domestic household showers. Pathogens 2019; 8:27 [View Article]
    [Google Scholar]
  2. Anon 2019; Legionnaires' disease monthly surveillance reports: 2019. Public Health England. Available at. https://www.gov.uk/government/publications/legionnaires-disease-monthly-surveillance-reports-2019 01 April 2021
  3. Anon 2020; Legionella (Legionnaires' Disease and Pontiac Fever), Centers for Disease Control and Prevention 2020. Available at. https://www.cdc.gov/legionella/fastfacts.html 01 April 2021
  4. Dooling KL, Toews K-A, Hicks LA, Garrison LE, Bachaus B et al. Active bacterial core surveillance for legionellosis — United States, 2011–2013. MMWR Morb Mortal Wkly Rep 2015; 64:1190–1193 [View Article]
    [Google Scholar]
  5. Schoen ME, Ashbolt NJ. An in-premise model for Legionella exposure during showering events. Water Res 2011; 45:5826–5836 [View Article]
    [Google Scholar]
  6. De Filippis P, Mozzetti C, Amicosante M, D'Alò GL, Messina A et al. Occurrence of Legionella in showers at recreational facilities. J Water Health 2017; 15:402–409 [View Article]
    [Google Scholar]
  7. Matthewman R Reopening salons and spas following lockdown: reducing risks of COVID-19 and other considerations. Chartered Institute of environmental health. https://www.cieh.org/news/press-releases/2020/cieh-issues-new-guidance-for-salons-and-spas-to-reopen-following-lockdown/ https://www.cieh.org/news/press-releases/2020/cieh-issues-new-guidance-for-salons-and-spas-to-reopen-following-lockdown/ ; 2020
  8. Millar BC, Stirling J, Maguire M, Moore RE, Murphy A et al. Re-purposing of domestic steam disinfectors within the hospital-at-home setting. Infect Dis Health 2021; 26:72–80 [View Article][PubMed]
    [Google Scholar]
  9. Cervero-Aragó S, Rodríguez-Martínez S, Puertas-Bennasar A, Araujo RM. Effect of common drinking water disinfectants, chlorine and heat, on free Legionella and amoebae-associated Legionella . PLoS One 2015; 10:e0134726 [View Article]
    [Google Scholar]
  10. Anon 2021; Managing legionella in hot and cold water systems. Health and Safety Executive. https://www.hse.gov.uk/healthservices/legionella.htm 01 April 2021

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