General mortality rate after Vipera aspis bite is described low (2 per cent of all bite victims). In case of severe envenomations mortality rate is 9 per cent, even when treated accordingly in a hospital. In one case the patient died ***in few minutes after the bite by direct intravascular venom injection***. In case of envenomation there is immediately pain, which can be severe. All in all a snake, where you should not risk a bite.