Why was the incidence of disease so high in among civil war soldiers?

The high incidence of disease among Civil War soldiers was primarily due to unsanitary conditions, overcrowding in camps, and inadequate medical care. Soldiers often faced exposure to contaminated water, poor nutrition, and limited access to proper hygiene facilities, which facilitated the spread of Infectious Diseases. Additionally, the lack of understanding about germ theory and the absence of effective treatments contributed to the high mortality rates from illnesses such as dysentery and pneumonia. Overall, these factors combined to create a public health crisis within the military ranks.