Weil's disease is however a very serious illness and must be swiftly diagnosed and treated. The usual incubation is 2 to 12 days. Usually a 'flu' like illness occurs which resolves in 2-3 weeks. A few cases develop jaundice, when the condition is known as Weil's disease. Antibiotics during the first few days help in limiting infection.
Many cases recover without specific treatment.
What to do. The diagnosis is by clinical suspicion. Blood tests rarely confirm the illness in time to affect treatment. Cover all cuts and abrasions with waterproof plasters. Always wear footwear to avoid cutting the feet.