From US documentary back in the day: https://youtu.be/wqdRIt1EnkY?si=J3Ntmgyx6P66RpJt&t=217

"The Marshales caught by fallout got 175 wrenchons of radiation. These are fishing people, savages by our standards.

So a cross-section was brought to Chicago for testing. The first was John, the mayor of Rangala Battle. John, as we said, is a savage, but a happy aminable savage."