The Goiânia incident to some extent predicts the contamination pattern if it is not immediately realized that the explosion spread radioactive material, but also how fatal even very small amounts of ingested radioactive powder can be.
Do takrat je bilo že okuženih 249 ljudi, 151 jih je kazalo znake zunanje in notranje okužbe, od tega jih je bilo 20 resno bolnih, 5 pa jih je umrlo.