Reply #59: How many? Quite a few.

[tekisui]

The radiation dose received by one-year-old infants outside of a 30-kilometer radius of the Fukushima Daiichi nuclear plant since Saturday's explosion at the plant may have exceeded 100 millisieverts, a computer simulation conducted by the government showed Wednesday.

''There are some cases in which they could have received more than 100 millisieverts of radiation, even if they're outside the 30-kilometer radius and in the event that they spent every day outdoors since the explosion at the Fukushima nuclear plant,'' Chief Cabinet Secretary Yukio Edano told a news conference.

http://english.kyodonews.jp/news/2011/03/80575.html