Most of the newest scanners are Millimeter Wave and don’t have any radiation concerns. https://www.cdc.gov/nceh/radiation/airport_scan.htm https://www.cdc.gov/

Most of the newest scanners are Millimeter Wave and don’t have any radiation concerns. https://www.cdc.gov/nceh/radiation/airport_scan.htm https://www.cdc.gov/nceh/radiation/airport_scan.htm I believe they have obsoleted all the backscatter scanners at this point.