I realize the probability of getting bitten is small, but dang.....black mambas, geeen mambas, puff adders, cobras...... We've got plenty of rattlers here at home and I grew up around copperheads and water moccasins, but these African snakes seem to take things to a whole new level. Sounds like with some you have maybe a chance to get to a hospital; with others, not so much. So does anyone carry antivenom? Is that typically something the ph or someone has along on their person? Would it be best to bring your own? Are there antivenoms that are broadly effective against the most common bites? Are there reputable sources for getting the stuff so that you know it's not counterfeit or expired? What is the shelf life on a kit? Or chance too small to worry about?