This 2017 photograph depicted a Centers for Disease Control and Prevention (CDC) Quarantine Station, Public Health Officer, as she was conducting inspections of CDC-regulated items. This type of activity takes place at 18-United States international airports, and land ports of entry, where most international travelers arrive. In this image, captured at Chicago’s O’Hare International Airport, Enya, a Customs and Border Protection (CBP) dog, had sniffed out a possible banned item in baggage claim.