September 2023.Aeromonas infection in Sonoma “Tough Mudder”, California, USA

September 5, 2023

According to health sources USAAbout 300 people who attended the recent “Tough Mudder” event in Sonoma, California, developed rashes, various lesions, fevers or flu-like symptoms.

These cases can be caused by various infectious agents, including bacteria staphylococcus spp, but the culprit is Aeromonas, specifically Aeromonas hydrophila.The California Department of Public Health says it is considering an outbreak Aeromonasindicating that multiple wound cultures had developed resistant bacteria.

The Tough Mudder event was held that day at Sonoma Raceway August 19-20, 2023, and symptoms of infection appear within 12 to 48 hours. Competition “Lots of skin contact with dirt”

Aeromonas hydrophila is a rod-shaped Gram-negative bacterium that lives in aquatic environments and soil. It infects almost everything: humans, animals, birds, fish and marine reptiles. in humans, Aeromonas It is often considered a cause of gastroenteritis. But it can lead to everything from traveler’s diarrhea to soft tissue infections, from necrotizing fasciitis to sepsis.despite resistance and everywhere Aeromonaswas not identified as a human pathogen until 1968.

So far, the bacteria in question appear to be susceptible to several antibiotics, including ciprofloxacin, doxycycline and trimethoprim-sulfamethoxazole, the California Department of Health noted.

The Sonoma event features 21 obstacles, including a mud-soaked track under barbed wire, a rope climb over a mud slope, knee-deep mud pools to traverse and an obstacle called “The Landmine.”

Local risk US