Between November 1866 and July 1867, Caxias organized a health corps (to give aid to the endless number of injured soldiers and to fight the epidemic of cholera) and a system of supplying of the troops.
Mellem november 1866 og juli 1867, organiserede Caxias et sanitetskorps (for at hjælpe det endeløse antal sårede soldater og for at bekæmpe koleraepidimier) og en forsyningstjeneste for tropperne.