Although there is a greater number of cases of Lyme disease in the New Forest, Salisbury Plain, Exmoor, the South Downs, parts of Wiltshire and Berkshire, Thetford Forest and the West coast and islands of Scotland infected ticks are widespread, and can even be found in the parks of London. A 1989 report found that 25% of forestry workers in the New Forest were seropositive, as were between 2% and 4-5% of the general local population of the area.