How horses’ natural immunity to snake venom makes production of antivenom for humans possible The most venomous snake in the world can kill an elephant, but one animal survives its deadly bite: the horse? Regardless of the snake's potency, including the fearsome king cobra, the horse remains immune to its venom. Following a bite, the horse may experience mild illness for approximately three days before making a complete recovery. This remarkable phenomenon conceals a secret with the potential to save human lives: the antidote. But how is this antivenom produced? The process begins...