Nominally it includes Chernobyl. Caveat, noby, not in the USSR, the successor states nor the West ever really counted the Chernobyl victims, hence the official.

Nominally it includes Chernobyl. Caveat, noby, not in the USSR, the successor states nor the West ever really counted the Chernobyl victims, hence the official.number of what, 30-ish victims.