Let's say the unit is deep into enemy territory, conducting an operation. And one or two guys got infected by some disease. Like they're having fever or diarrhea. How do the unit handle the situation ??

And Did they used to handle it in the past, like during WW2 ??

Hello, I’m ex-military trying to figure out information about this company called Black Diamond Mercenaries a contracting company and wether it’s legit or not. They claim to deploy to many different countries and wanted to know if anyone here has any information about them. Sorry if this is the wrong sub reddit for this. Thank you in advance for the information.