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According to what I found on familysearch.org there is information about Thomas B Edmonds on fold3.com.
Fold 3 will give you a free trial if you register., there is a fee after the free trial.
familysearch is a free website, you just need to register to use.
2 Possible Matches.
The above link is an Edmonds family tree, it might be a good idea to contact other family members who may have an answer to your question
Please see there is a link showing common diseases and typical wounds that were seen in the civil war, plus remember you had other things like Pneumonia, typhoid, diarrhea/dysentery, and malaria were the predominant illnesses. Altogether, two-thirds of the approximately 660,000 deaths of soldiers were caused by uncontrolled infectious diseases, and epidemics played a major role in halting several major campaigns.