EVIDENCE FOR LYME DISEASE IN URBAN PARK WORKERS: A POTENTIAL NEW HEALTH HAZARD FOR CITY INHABITANTS

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Abstract
In the UK, cases of Lyme disease have only been reported from rural areas. Recently, however, Ixodes ticks infected with Borrelia burgdorferi have been found in London parks. To determine whether this constituted a health hazard, we questioned 44 workers from Richmond and Bushey parks to assess their exposure to tick bites and whether they had a clinical history of Lyme disease. Their serum was subsequently investigated for antibodies to two different preparations of Borrelia burgdorferi (whole cell sonicate and flagellin) and the specificity of these antibodies determined by immunoblotting. Comparison was made to zoo keepers (n = 27) from a wildlife park outside London. Tick bites were reported in 23% of park workers and of these, three described symptoms compatible with Lyme disease. Raised antibody levels were found in 10 (24%) of the park workers compared with one (4%) of the zoo keepers using ELISA with whole cell sonicate as antigen (P = 0.02) and 6 (14%) of park workers and none of the zoo keepers using purified flagellin as antigen (PPPB. burgdorferi in London park workers which has important health implications for these individuals, other park workers and possibly park visitors.

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