If one might be forgiven for one comment here and one addition.
The boxer short business is very important because, quite simply, if you get once get Dhobie's Itch, you will probably never get rid of it in the heat. Life will be absolutely miserable. Perhaps therefore, consider using a medicated talc or aloe vera powder as a prophylactic.
Condoms are important. You won't want to use one if you have the crotch rot, and neither will she wish you too either. However, a condom packs down flat in your flight bag and it does hold an aweful lot of water if you ever need a water bottle in a hurry.
Read up on what to do for snake bites and scorpion stings, also vampire bats, rabies and tick bite fever.
