How to Prevent Leptospirosis

From the web site lepto info.

Vaccination

Annual vaccination for leptospirosis is an affordable means to help protect your dog from a disease than can be very costly to treat. Ask your veterinarian if they use a vaccine that protects against 4 serovars.

Your veterinarian will determine an appropriate vaccination series, depending on your dog's vaccination history and risk factors. Your dog may require an initial vaccination and a booster a few weeks later. Annual vaccination is needed for continued protection.

Environmental precautions

Vaccination is extremely important, but in addition, you may want to consider the following steps you can take to prevent leptospirosis:

Have your dog vaccinated against the 4 serovars of Leptospira Wash your hands after direct contact with your pet or its urine. Where possible, avoid exercising your dog in wildlife habitat areas. Prevent your children from playing in areas used for exercising dogs. If you have been around a dog diagnosed with lepto, seek medical information from your veterinarian or  medical provider.