The Northeast Texas Public Health District is reporting seven confirmed and five possible cases of Legionnaires’ disease in the Northeast Texas region possibly connected to attendance at the East Texas State Fair in Tyler.

NET Health Disease Surveillance Division is working with the fair organizers and local health officials to determine connections of the cases with attending this year’s fair Sept. 20 to 29.

George Roberts, NET Health CEO, said the common element is the East Texas State Fair. NET Health is working with the Texas Department of State Health Services, the Centers for Disease Control and Prevention, event organizers and local health departments to narrow down the location within the fair.

Legionnaires’ disease is spread by inhaling water droplets in the air and caused by the Legionella bacteria, according to a NET Health news release sent out Thursday. Breathing in the water droplets can come from water in the air, steam, humidifier, cooling tower, sprinklers, lakes, rivers, streams and stagnant water.

The disease mimics pneumonia symptoms, and about 5,000 to 6,000 cases are reported every year, Roberts said.

Within a week's time five cases were noticed by health officials. Roberts said red flags come up when there are two or more cases, saying it seems unusual.

Jason Geslois, epidemiologist with NET Health, said he and other health officials ask patients about where they have traveled recently to find a common denominator of the outbreak's source. The process of narrowing down the location within the fair is ongoing, but the time frame is Sept. 20 to 29 and two to 10 days afterwards.

"Now we narrow down our scope a little further," Roberts said. "That's why we're trying to track this down."

Roberts said NET Health has a strong confidence that Harvey Hall Convention Center is safe due to the chlorine that disinfects the water for bacteria like Legionnaires' disease.

"Just because you went to the East Texas State Fair doesn't mean you have Legionnaire's disease," Roberts said.

Those with Legionnaire's are treated with antibiotics either in a hospital or in outpatient treatment.

NET Health likely will be informing the public on investigation updates weekly, Roberts said.

The health district is urging anyone who attended the fair this year and is sick due to Legionnaires’ symptoms to contact their health care provider immediately.

The patient's primary clinical provider would run a urine based test to determine if the patient has been infected by the Legionella bacteria, Roberts said.

Symptoms of Legionnaires’ disease could be cough, high fever, weakness, muscle aches, headaches, and shortness of breath. Legionnaires’ disease is treated with antibiotics, and most people who are sick may need to be hospitalized but will recover fully.

The following groups of people are at a higher risk of contracting Legionnaires’ disease: people over the age of 50, current or former smokers (cigarettes and e-cigs), persons with chronic lung disease like emphysema or COPD and those with weakened immune systems due to a previous disease or from medication.

According to the Centers for Disease Control and Prevention, about 1 out of 10 people with Legionnaires’ disease will die from the infection.

For those who live in the Northeast Texas region and have questions about Legionnaires’ disease, call Disease Surveillance Division at NET Health at 903-595-1350.

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