Krait, (genus Bungarus), any of 12 species of highly venomous snakes belonging to the cobra family (Elapidae). The cobra venom, a neurotoxin, acts powerfully on the nervous system. The polyvalent antivenom, termed “Neuro Polyvalent Snake Antivenom (NPAV),” is raised against venoms of two Thai cobras and two Thai kraits. The true sea snakes are most closely related to Australian cobras, while kraits are related to Asian cobras. Cobra Venom coming in contact with human eyes causes an immediate and severe irritation of the conjunctiva and cornea that, if untreated, may result in permanent blindness.
Kraits live in Asian forests and farmland from Pakistan to southern China and southward into Indonesia. Averaging 1 to 1.5 meters (3 to 5 feet) in length, its neurotoxic venom attacks the nervous system and can lead to respiratory paralysis and heart failure. With its distinctive black and white bands (often 30 or more), the many-banded krait is Hong Kong’s most deadly snake, and it has been known to cause fatalities. They are terrestrial, feeding mainly on other snakes but also on frogs, lizards, and Like their terrestrial relatives, sea snakes are highly venomous. Unlike terrestrial cobras, most sea snakes are not aggressive (with exceptions), … Our results indicated that the polyvalent antivenom can effectively neutralize venoms from many Southeast Asian cobras, kraits and king cobra but is less effective against Indian cobra venoms. In Seshagiri’s native India, more than 46,000 people die every year from bites of the Big Four deadly snakes: Russell’s viper, the saw-scaled viper, the common krait, and the Indian cobra.