5 things to know about Legionnaires’ disease after Foothill Ranch pool/spa closure

It will take a couple of weeks before water-testing results are back from the Foothill Ranch community pool and spa used by two adults who were hospitalized with Legionnaires’ disease.
No new illnesses have been reported since the pool closure Friday, May 12. The two cases are among 28 county-wide this year, according to the Orange County Health Care Agency.
Here are five things to know about the illness and its causes:What is Legionnaires’ disease?
It is a severe type of pneumonia c