What causes LD?
LD is caused by breathing in steam or water droplets infected with Legionella germs. You may also get LD by choking on infected liquids and foods. Examples of foods are pureed (blended) or tube feedings mixed with infected water. LD cannot be passed on from one person to another. The germs usually grow in places with warm water which includes any of the following: • Air-conditioning systems and cooling towers of large buildings. • Hot water tanks. • Humidifiers and mechanical ventilators (breathing machines). • Lakes, ponds, rivers, streams, and thermal pools. • Large plumbing systems and bathroom shower heads. • Water fountains, ice machines, and vegetable misters. • Whirlpool spas and hot tubs. What increases my risk of getting LD? All people who breathe in Legionella germs may not get sick. Any of the following may increase your risk of getting LD: • Age: People 65 years old and older have an increased risk of getting LD. • Long-term care facilities: Staying in a healthcare facility
