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Online Training Courses & Certification in Health and Safety, Food Hygiene & Business
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Understanding Legionella Disease

This Understanding Legionella & Legionnaires Disease training course is ideal for managers, owners or those responsible for maintaining water systems.

The legionella bacteria can multiply to dangerous levels in warm water. Inhaling water droplets or spray can cause this potentially fatal form of pneumonia. Todays buildings where people are working, living, or studying are centrally heated and the water systems are a potential danger to those who live and work there. Everyone in charge of buildings and those responsible for maintainance must understand legionella.

Every company should have a legionella risk assessment which should establish any exposure to risk from legionella, and this should be written down where there are more than 5 employees.

This course will explain the legionella bacteria, how it causes illness, and explains and how preventative actions of those involved with water systems can minimise the risk of outbreak.

Who is this course for?

It is particularly important for owners and managers, who have a responsibility for water systems, and for anyone involved in maintaining those systems.

Course aim

The aim of this Understanding Legionella Disease Training course is to give all those who work in environmental conditions which could encourage the multiplication of the Legionella bacteria, the level of knowledge required to minimise the risk of infection and risk to health from the Legionella bacteria.

Course content

This online course covers the following topics:

  • What is legionellosis
  • The symptoms of Legionella
  • Where Legionella is found
  • How people become infected
  • Controlling the Legionella bacteria
  • Management and employee responsibilities
  • Risk assessments
  • Relevant legislation
  • Health and safety relevant to Legionella control

Course duration

The average time required to complete the learning is approximately 2 hours, however the course is designed to go at the pace of the learner and can be completed in more time if needed.


The online assessment for the course consists of 30 multiple choice questions. In order to be successful, candidates must achieve a 75% pass mark to obtain the certificate.


On successful completion of the Understanding Legionella Disease training course assessment, the candidate will be able to print/save their certificate. In addition to this, an e.mail is sent to the candidate containing a link to the certificate. This is the simplest, most convenient way to achieve compliance. Also, a QR code has been added to the certificate, which can be scanned by a smartphone to establish the certificate’s validity.

£25.00 + VAT per person

Language :
Certificate :
Understanding Legionella CIEH Assured
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