Table 2.

Types of snake species and grading of envenomation

Snake types	Clinical severity				Total
	Minimal	Moderate	Severe	None
Cobra	16	5	42	1	64
Viper	14	18	14	6	52
Sea snake	1	2	1	0	4
Unknown	46	44	40	7	136
Total	78	70	98	14	260