October 4, 2023

By Jamie Gumbrecht | CNN

An outbreak of diseases after a Powerful Mudder race in Sonoma County, California, this month has reached about 300 circumstances, the county estimated Wednesday.

The Sonoma County Division of Well being Providers issued a well being advisory final week after studies of rash, fever, muscle ache, nausea and vomiting amongst individuals within the August 19-20 Powerful Mudder occasion at Sonoma Raceway.

Matt Brown, a spokesman for Sonoma County, mentioned Wednesday that 300 circumstances is a “conservative estimate.”

“The Powerful Mudder race concerned in depth pores and skin publicity to mud. Most affected individuals have pustular rash, fever, myalgias, and headache. These signs could possibly be indicative of a minor sickness known as Swimmers’ Itch, however they’ll additionally point out a Staph an infection or different extra critical bacterial an infection corresponding to Aeromonas,” the county mentioned in its advisory.

Brown mentioned Wednesday that the county is asking well being care suppliers to take cultures from contaminated sufferers and report the outcomes, nevertheless it’s “working underneath the belief that Aeromonas is the etiologic agent of most infections ensuing from exposures on the occasion.”

Aeromonas is micro organism typically present in aquatic environments and may be present in mud and a few forms of meals. An infection can result in gastrointestinal signs and different problems, together with kidney illness, meningitis, and pores and skin and wound infections.

Charlie Bernard, a spokesman for Powerful Mudder, mentioned the corporate is working with the county and investigating the occasion. He mentioned in an electronic mail that Powerful Mudder has reached out to all registered individuals and is speaking the county well being advisory to spectators. It’s urging individuals to see a medical skilled for “unresolved or worsening rash, flu-like signs, fever, lethargy (fatigue) or myalgia (nerve ache.)”

“All essential protocols had been adopted in preparation for, and through, the occasion,” Bernard wrote. “Our ideas are with these affected and we’re actively investigating to know precisely what occurred.”

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