NISA spokesman Hidehiko Nishiyama said the acute radiation exposure at Chernobyl killed 29 people in contrast to Fukushima, where no fatal casualties were reported.

NISA发言人Hidehiko Nishiyama说，切尔诺贝利核事故释放到空气中的核放射污染致29人死亡，而相对的，福岛核事故至今还未有重大伤亡发生。

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What are the acute health effects of radiation exposure?

辐射会产生哪些急性健康问题？

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The acute radiation exposure that occurs from an accident is expected to occur over several hours.

FORBES: Infographic: How Much Radiation Could You Survive?

Everywhere I turn, I hear that unless radiation levels get improbably high, nobody will get sick, as if acute radiation sickness is the only consequence of exposure.

FORBES: 1st Person | Facing an Unsettled Future After Radiation Exposure