Correct Answer: Kidney

Solution : The correct option is Kidney .

Weil's disease, known as leptospirosis, is a bacterial infection primarily spread to humans by contact with polluted water or soil from diseased animals, mainly rats. The kidneys are the primary organs affected by Weil's illness. It can cause renal failure in extreme instances. The condition can be minor or severe, with symptoms such as fever, muscular pains, headache and jaundice.