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Open Access Research article

Dermatitis associated with exposure to a marine cyanobacterium during recreational water exposure

Nicholas J Osborne123* and Glen R Shaw45

Author Affiliations

1 Gut and Liver, Murdoch Childrens Research Institute, Flemington Road, Melbourne, Australia

2 National Research Centre for Environmental Toxicology, The University of Queensland, Brisbane, Australia

3 Centre for Molecular, Environmental, Genetic and Analytic Epidemiology, University of Melbourne, Australia

4 School of Public Health, Griffith University, Gold Coast, Australia

5 Australian Rivers Institute, Griffith University, Brisbane, Australia

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BMC Dermatology 2008, 8:5  doi:10.1186/1471-5945-8-5

Published: 30 December 2008

Abstract

Background

Anecdotal evidence reported an outbreak of symptoms on Fraser Island during the late 1990s similar to those expected from exposure to dermotoxins found in the cyanobacterium L. majuscula. This coincided with the presence of a bloom of L. majuscula.

Methods

Records from the Fraser Island National Parks First aid station were examined. Information on cyanobacterial blooms at Fraser Island were obtained from Queensland National Parks rangers.

Results

Examination of first aid records from Fraser Island revealed an outbreak of symptoms predominantly in January and February 1998.

Conclusion

During a bloom of L. majuscula there were numerous reports of symptoms that could be attributed to dermotoxins found in L. majuscula. The other four years examined had no L. majuscula blooms and the number of L. majuscula symptoms was much reduced. These cases comprised a high percentage of the cases treated at the first aid station.