It is said that Legionella symptom is transmitted by breathing in aerosol (small drop of water) and dust including the Legionella genus bacteria. Therefore measures such as mask wearing are demanded as dusts measures such as thorough hygiene management in bathing facility or dust by construction works.
To health managers of bathing facility, confirmation, thorough appropriate hygiene management, please based on "the regulations about hygiene management for prevention of outbreak of Legionella symptom in Kumamoto bathing facility" around the following item.
・Conduct of examination of water
Original hot water, Haramizu, bathtub water, please perform examination of water that is higher than the number of times that it established in the regulations.
・Appropriate management of facilities
Bathtub completely exchanges, and please clean. We always keep cistern to store more than 60 degrees centigrade so that bacteria do not propagate and are appropriate by method such as sterilizing water
Please manage in this. Please perform cleaning, sterilization, check about the plumbing regularly.
・Sterilization of bathtub water
Density (around 0.2-0.4 mg/L) that bathtub water measures free residual chlorine concentration of bathtub Mizuuchi using chlorine drugs frequently unless it establishes in regulations, and is suitable
The Legionella genus bacteria exist with bacteria habitually residing in the natural world in the soil. Example suspected that Legionella symptom developed by having breathed in dust during yard work and farming is reported nationwide every year.
After big disaster, the risk to breathe in dust including tidying up of disaster garbage and removal work of building which collapsed increases. When it is worked, we cover nose and entrance with mask and towel and will prevent you from breathing in dust.
The number of the reports of Legionella symptom of Kumamoto
| || 2007|
| 2009||2010 ||2011 ||2012 ||2013 ||2014 ||2015 ||2016 |
| Kumamoto|| 5|| 5||4 ||11 ||8 ||17 ||17 ||17 ||23 ||44 ||24 || 29|
| The whole country||668|| 893||717||751 ||818||899 ||1,124 ||1,246 ||1,592||1,609||1,733|| 2,141|
※2018 is provisional value
○About Kumamoto homepage "Legionella symptom"
○Ministry of Health, Labour and Welfare homepage "page of Legionella measures"
http://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000124204.html (external link)
○Japanese Society for Bacteriology welcome page "- Legionella to the bacterial world that welcome is mysterious"
http://jsbac.org/youkoso/legionella.html (external link)