Nuclear fallout

residual radioactive material following a nuclear blast

enclosed space specially designed to protect occupants from radioactive debris or fallout

US government research study

Downwinders were individuals and communities, in the United States, in the intermountain West between the Cascade and Rocky Mountain ranges primarily in Arizona, Nevada, New Mexico, and Utah but also in Oregon, Washington, and Idaho who were exposed to radioactive contamination or nuclear fallout from atmospheric or underground nuclear weapons testing, and nuclear accidents. Although, when the term first originated, it mainly referred to the affected peoples near the Nevada Test Site (NTS), but the label has since expanded to include people experiencing negative effects of radiation in places