The risk will be particularly high for those using rivers, lakes and other water courses as the urine from rats will have been washed into the water during the heavy rains.

Each year in Ireland a number of cases are diagnosed, with 15 reported cases in 2012 and eight reported cases so far this year.
Those at particular risk include canoists, swimmers and fishermen, as well as golfers who have to go into the rough to retrieve their wayward balls. Farmers are also a risk group.
It is essential that treatment is started as soon as the disease is suspected in a similar way to how possible cases of meningococcal meningitis are treated.
The privately-operated TMB chain have 22 clinics nationwide. Phone 1850 487674 or visit www.tmb.ie.