So how far back does this go? PDF
The earliest written records of wound management dateto Sumerian carvings more than 4,000 years ago. The carv-ings describe three treatment strategies: washing, makingplaster, and bandaging.3Wounds were washed with beer orhot water and then bandaged with poultices...well, it is better than Donkey dung, used by Egyptians...
a book about Infectious disease in WWII can be found here.
A lot of these diseases are rare and others, such as dengue and Malaria, continue to be a problem.
But I wasn't aware that Sandfly fever (AKA Baghdad boil) was a major health problem among WWII troops in Sicily.