Rats can often carry Weil’s disease. If you are shooting rats then beware of the dangers. Weil's Disease can be caught by touching rat urine that is spread where ever rats run. Rats dribble urine to scent their runs and it will be in any water they swim in. This is a very dangerous disease that can kill.
If you click on the link below, it will take you to the Government HSE books to print or read the latest on the disease. Click here for Weil’s and Leptospirosis.