World War 2 has ended. Effects of a nuclear bomb to Hiroshima Having died immediately from the explosion, about 70 000 people. The deaths and injuries later in the same year, a 70000 people and those who died later must be suffering in agony before he died from burns and the effect of radioactivity. For another, and 60000 died in 6 years later, largely as a result of radioactivity. Total deaths than 200 000, people.