Chernobyl disaster that were contributing factors that led to the incident. These contributing factors include: Both views were heavily lobbied by different groups, including the reactor's designers, power plant personnel, and the Soviet and Ukrainian governments. According to the IAEA's 1986 analysis, the main cause of the accident was the operators' actions. But according to the IAEA's 1993 revised analysis the main cause was the reactor's design. One reason there were such contradictory viewpoints and so much debate about the causes of the Chernobyl accident was that the primary data covering the disaster, as registered by the instruments and sensors, were not
Deaths due to the Chernobyl disaster by the accident are small compared to background rates of cancer. Theoretical estimates must rely instead on controversial models such as LNT or hormesis models. In the list following are 37 people whose deaths are officially directly attributable to the Chernobyl disaster. Of these, two died at the scene, four died in a single helicopter accident, 29 died within a few months of Acute Radiation Syndrome (ARS) and three died later from medical complications possibly caused by the accident. Of these people, one was a cinematographer, one a physician, five military personnel (four in a single helicopter), seven firefighters, two