What was the major cause of death among clivil war soldiers

Diarrhea and dysentery became the leading causes of death with casualty figures showing that roughly twice as many soldiers died from disease as from the most frequent type of battle injury - the gunshot wound (shown in Latin terminology on military medical records as Vulnus Sclopet).

Explanation:

bless you your highness

which time period is this? or is this story fictional, i'm going to need more info to answer this question