Basics
Legionellosis is caused by bacteria from this genus.
What is legionella?
Legionella spreads mainly through inhaling what?
What is Aerosolized water droplets / mist?
Name one common symptom of Legionnaires’ disease.
What Is Fever, cough, shortness of breath, muscle aches, headache?
Legionnaires’ disease mainly affects older adults. True or False?
What is true?
Name one way buildings can prevent Legionella growth.
What is Having a water-management plan?
What is the more serious form of legionellosis called?
What is Legionnaires’ disease?
True or False: Legionella usually spreads from person to person.
What is False?
Is Legionnaires’ disease a pneumonia?
What is yes?
Name one health condition that increases risk.
What is Smoking history, chronic lung disease, weakened immune system?
True or False: Hot tubs and showers should be regularly cleaned and maintained to reduce risk.
What is true?
What is the milder, flu-like form called?
What is Pontiac fever?
Name one common source of Legionella exposure in buildings.
What is Showers, cooling towers, hot tubs, decorative fountains, plumbing systems, etc?
How long after exposure do symptoms usually start?
What is 2–10 days?
Name one environmental factor that increases risk in buildings.
What is Stagnant water, warm water temperatures, poor water maintenance?
What should you do to your home faucets after returning from vacation?
What is Run water / flush the system for several minutes?
Legionella bacteria thrive best in what temperature range of water?
What is 77–113°F (25–45°C)?
Besides inhalation, what less common route of exposure can also transmit Legionella?
What is Aspiration of contaminated water (water accidentally entering the lungs while drinking)?
Along with pneumonia symptoms, Legionnaires’ disease can also cause abnormalities in lab tests. Name one.
What is Low sodium levels (hyponatremia), elevated liver enzymes, or kidney dysfunction?
Which group is at the highest risk of severe Legionnaires’ disease:
transplant patients, smokers, or people under age
What is Transplant patients?
According to water-management guidelines, buildings should maintain hot water heaters at or above what temperature to discourage Legionella growth?
140°F (60°C) at the heater