Deaths due to the Chernobyl disaster 800 roentgens, twice the normal 50% probability of death dose. The following list is of those directly killed by the explosion and initial radioactivity release, or in the support efforts that followed. Deaths due to the Chernobyl disaster The Chernobyl disaster (, "Chornobylʹsʹka katastrofa", "Chernobyl accident") was considered as one of the worst nuclear disasters in history. It occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic, then part of the Soviet Union, now in Ukraine. The scientific consensus on the effects of the disaster has been developed by the United Nations
Chernobyl disaster the accident has meant that many cases that would previously have gone unnoticed (especially of cancer) are now being registered. The World Health Organization states, "children conceived before or after their father's exposure showed no statistically significant differences in mutation frequencies". This statistically insignificant increase was also seen by independent researchers analyzing the children of the Chernobyl liquidators. On farms in Narodychi Raion of Ukraine it is claimed that in the first four years of the disaster nearly 350 animals were born with gross deformities such as missing or extra limbs, missing eyes, heads or ribs, or deformed skulls; in