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What caused the outbreak of more than 500 diseases related to a zip line destination in Tennessee? E. coli and noroviruses are possible sources, but research is still underway to find the main source. ( Pixabay )
More than 500 people became ill from a gastrointestinal illness, likely as a result of a tour in Tennessee
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On Thursday, the Tennessee Department of Health announced that its investigation of the occurrence of diseases related to the zip line tour of the CLIMB Works is still ongoing. According to the announcement, more than 500 people who visited the site have reported gastrointestinal diseases since June 15.
Of the reported cases, several cases of Norovirus were diagnosed positive, while Norovirus and E. coli. According to one of them, along with his niece and nephew, they did not know what caused the vomiting and other symptoms before reading an article about other people who became ill after visiting the site of the tour
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Cause of epidemic still unknown
That said, authorities still can not point to a specific cause of outbreak while investigations are ongoing, and the state of Although Norovirus is easily detected in stool samples during outbreaks, it is harder to detect in foods and water.
In addition, other sources of diseases such as human-to-human transmission and surface contamination may have contributed "For the moment, we can not point to a single cause of this epidemic," said John Dunn, DVM, Ph.D., the deputy entomologist of the Tennessee Department of Health, putting on hold the initiative.
However, on-site water analyzes revealed traces of faecal contamination in the site water system, and additional tests confirmed the presence of E. coli. Other tests are currently underway to check for the presence of other bacteria, viruses and parasites. Norovirus and E. coli
Norovirus is a contagious virus that can affect everyone, with children and the elderly more prone to more severe symptoms. The virus causes inflammation of the stomach, intestines or both, resulting in vomiting, stomach upset, nausea and diarrhea. A person can catch a norovirus from contaminated food or water or from contact with an infected person or a contaminated surface.
In addition, E. coli is a natural bacterium found in the intestines of animals and humans and often harmless. However, E. coli is a large group of bacteria, and some phenotypes can cause diseases such as diarrhea, respiratory diseases, pneumonia and urinary tract infection. Like norovirus, E. coli can be contracted by ingesting food or contaminated water, or by contact with infected humans or animals.
In case of outbreak on zip line, authorities found enteropathogenic E. coli water, which is one of six pathotypes associated with diarrhea. That said, investigations are still ongoing to determine exactly how the diseases are spreading.
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