The CDC is expanding its disease surveillance of international travelers
An ongoing coronavirus monitoring program will now test for more than 30 pathogens
![A photo shows travelers arriving at JFK airport in New York City.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/11/110623_bl_cdc_traveler_surveillance_feat.jpg?fit=1030%2C580&ssl=1)
Travelers arrive at John F. Kennedy International Airport in New York City, one of four major U.S. airports where the CDC is expanding a program to track pathogens entering the country.
Yuki Iwamura/AFP/Getty Images