Prions are an obvious exception, but I don't think I agree with carcinogens. Perhaps I'm unaware. Can you point to any carcinogen which a single exposure to wou

Prions are an obvious exception, but I don't think I agree with carcinogens. Perhaps I'm unaware. Can you point to any carcinogen which a single exposure to would result in a >0.05% death rate in the exposed population?