They have to chew the skin a while to inject venom. Coral snakes are small and ringed with red, yellow, and black. The chances for recovery of a snakebite are great if the patient receives care within two hours of the bite. The age, size and general health of the patient. A small child will probably react much more severely to a smaller amount of venom than will an adult.
Bites are most dangerous in children and the elderly.
The depth, location and number of bites. A single, glancing blow by the fangs is much less dangerous than multiple wounds or wounds that penetrate the flesh deeply. A bite that penetrates a blood vessel is extremely dangerous. The least dangerous bites occur on the extremities and in fatty tissue. Bites on the head or trunk are usually fatal.