Scientific studies are ongoing to confirm these findings and better define the human health effects from exposure to water in which PLOs release their toxin. In general it is safe to consume seafood. As always, you should not eat fish or shellfish taken from areas where there are large numbers of sick or dead fish.
Swimming in areas where there are many dead fish is not recommended. Because toxins from PLOs are usually only present during a fish kill and then degrade and disappear quickly, swimming should be safe if at least 48 hours have gone by since a fish kill ended.
The Virginia Department of Health urges local watermen, shellfish growers, commercial fisherman, and all citizens to report fish kills so that the cause of the fish kill can be determined. Call your physician, local health department, or the toll-free HABs Hotline at for Virginia residents only.
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File a complaint about a health care facility? Who should I call if I suspect illness from Pfiesteria? Members of the VCU team confirmed the presence of this parasite in sections of muscle tissue underlying the lesions.
Kudoa is known to cause liquefaction of fish muscle tissue and as a result makes some fish harvests unsuitable for commercial use.
The recent incident marks one of the few times Kudoa has been found in the Chesapeake Bay or its tributaries. The parasite is, however, frequently found in fish farms where high concentrations of fish, waste and nutrients make fish prone to infections. Because of the high density of the pathogen in affected fish, the state researchers suspect that Kudoa may be one of the primary agents of infection in the recent event and may be responsible for previous outbreaks of dead and dying fish that had originally been attributed to Pfiesteria.
These results support our hypotheses," said Patrick Gillevet, Ph. The CDC report states that no toxins have been isolated from the organism and no known link has been made between Pfiesteria and either fish kills or human disease. VCU, GMU and ATCC teams have been analyzing fish and sediment samples from the Chesapeake Bay for the last 12 months to evaluate the roles of environmental conditions and potential pathogens in contributing to an increase in reports of sick fish in Virginia tidal rivers.
The collaboration now will work to definitively determine pathology of Kudoa infections in menhaden and the cause of Kudoa outbreaks and conduct retrospective studies on samples from earlier Pfiesteria-like outbreaks. Subscribe to VCU News at newsletter. Skip to main navigation Skip to main content Skip to footer. Virginia Commonwealth University.
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