help. camper full of mildew

I also live in Georgia and you are right about the rain and humidity this year. AFTER you get it cleaned up, I have found one thing that helps. I don't cover my MH, and since it is stored at home I go inside it at least once a week and check things out. I have a thermometer that also has a gauge for humidity inside the MH. This time of year it is usually a high reading on the gauge. If you have access to power, you can simply turn on your air conditioner and let it run for quite a while to de-humidify. Or if you have an onboard generator to power the AC that is good for both the generator to run (exercise) and good for the AC too. Don't know that keeping a vent open to let in humid air is a good idea, but air circulation from the AC would certainly help. Good luck.