Weil’s Disease
Weil's disease is caused by infection by a spirochaete spread in the urine of infected rats. It can be caught by swimming in infected water. It is also called leptospirosis ictero haemorrhagica, because the spirochaete is a member of the leptospirosis family, it causes jaundice and itching, and the liver damage means there is a decrease in the clotting factors of the blood, producing haemorrhage. While this was originally thought to be a disease affecting only those who worked in rat-infested sewers, it can be caught by anybody who swims in water where there are rats, particularly if there is a break anywhere in the skin. Besides affecting the liver there may also be kidney involvement. Treatment using penicillin is effective.
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