A fourth man was killed in a legionnaire epidemic linked to a hot tub show at a state fair in North Carolina last month.
Nearly 150 people who attended the NC Mountain State Fair were injured in addition to the four deaths, according to an update Friday by the North Carolina Department of Health and Human Services. At least 133 people have been diagnosed with legionnaires, while another eight have been confirmed to have a milder form of the disease called Pontiac fever.
At least 94 people have been hospitalized at the outbreak of North Carolina.
Let our news get acquainted with your inbox, News and stories that matter, delivered in the morning on weekdays.
The fair took place between September 6 and 1
. hot tubs on display are testing negative for Legionella pneumophila, the bacteria associated with the disease, according to a message on Friday. The state health ministry noted that environmental samples are not collected until two to three weeks after the fair ends and may not be able to assess the conditions as the festival continues.
One sample from a women's toilet at the Davis Event Center tested positive for Legionella pneumophila, but scientists determined that the strain was genetically different from the strain collected from patients.
The health authority noted that testing was in progress, but previously hot tubs had been tied to the outbreaks of legionaries around the world. Legionnaires' is a serious infection of the lungs caused when bacteria called Legionella spread through water through the air and are inhaled, according to the Centers for Disease Control and Prevention.
The disease can be treated with antibiotics. , but about 1 in 10 people diagnosed with the death of legionnaires, according to the CDC.
Symptoms of legionnaires may include cough, muscle pain, fever, shortness of breath and headache, says CDC.