There were plenty of disease in world war 1 there is one called trench foot it can cause serious itching on your foot and also swelling lots of pain and it gets numb the people with trench foot...
There were many diseases including: trench foot, shell shock, gas blindness, and in the winter, frostbite. Also common were small pox, cholera, leprosy. One other terrible disease was trench foot....
Rats carried many diseases but one of the most tragic diseases was the plague, also known as the "Black Death". Rats also caused Vile's disease which affected in the men in the trenches.