by Michael C » July 26, 2010, 11:29 pm
Funman, keep in mind that the overwhelming majority of "documentaries" shown on television anymore are hardly educational; they are primarily for entertainment, full of errors/misinformation and gross exaggeration, particularly much of what is shown on Discovery, Animal Planet and last, but certainly not least, National Geographic. Even the more respectable documentary producers, such as NOVA (US), BBC (UK) and some German public television producers (ARD, ZDF, WDR) are prone to exaggeration to make things more entertaining. Unfortunately, the general public does not want to be educated anymore; they want to be entertained.
That being said, 50% would not even be the rate for some of the most deadly venomous snakes, if someone promptly sought out proper medical attention. One has to consider many factors into coming up with a percent chance, such as a number of bites are "dry bites" (bites where no venom is injected), in many defensive bites only a small amount of venom is injected (its primary purpose is not for defense, but for taking down prey) and a great percentage of people recover from venomous bites without antivenin (many people are allergic to antivenin, particularly those that have been treated multiple times), should a bite victim of a krait survive the first 48 hours, the chances of recovery are good.
Many people have asked me about some kind of "two step" snake. There are none. No one is going to fall over dead within a couple of minutes from a venomous snake bite, unless they fall over dead from self-induced shock. If someone is really interested in what happens after they are bitten by a krait where there is no medical attention, there is a very detailed account of what happened with Joe Slowinski in 2001 (California Academy of Sciences expedition in the mountains of northern Myanmar), the book is called "The Snake Charmer" by Jamie James. In the case of Joe Slowinski, it took nearly a couple hours for symptoms to start up and almost 30 hours before he died.