Effects to humans of acute radiation (within one day):
0–0.25 Sv: None
0.25–1 Sv: Some people feel nausea and loss of appetite; bone marrow, lymph nodes, spleen damaged.
1–3 Sv: Mild to severe nausea, loss of appetite, infection; more severe bone marrow, lymph node, spleen damage; recovery probable, not assured.
3–6 Sv: Severe nausea, loss of appetite; hemorrhaging, infection, diarrhea, skin peels, sterility; death if untreated.
6–10 Sv: Above symptoms plus central nervous system impairment; death expected.
Above 10 Sv: Incapacitation and death.