This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
StrongRichardPearson AMedD. Taken from amedd army mil htm THE SPANISHAMERICAN WAR Fig Accompanying text Medical entomology and metabolic disorders of man received large share of interest Among other subjects there were investigations on dysentery cholera and plague by st Lt Richard Pearson Strong MC fig investigations on dengue