The numbers don't lie. The chances of being injured by a shark are very low. The chances of being killed by those injuries are also low. The Florida Museum of Natural History keeps track of the numbers of shark-related injuries as compared to other injuries humans suffer. Did you know you have a higher chance of being killed by SAND than a shark?
Check it out: http://www.flmnh.ufl.edu/fish/sharks/attacks/relarisk.htm