The Hot Zone
What is a Level 4 hot agent?
the hot zone
the hot zone
Biosafety Level 4 agents are extremely dangerous to humans because they are extremely infectious. They have a high case-fatality rate, and there are no known cautions, treatments, or cures.
http://www.gradesaver.com/the-hot-zone/q-and-a/describe-a-level-4-hot-agent-129627/