JFK International Airport on red alert as foreign traveler imports deadly disease and infects untold number | 3 March 2025 | Health officials have warned about a potential measles outbreak at New York's JFK International Airport. A child who entered the country on a China Airlines flight has tested positive for the highly contagious disease. After arriving at Terminal 4, the patient traveled on a shuttle bus to Philadelphia where they visited two clinics and were eventually diagnosed. Anyone who was on the shuttle bus on February 25 between 9.30pm and 3.15am is being urged to get tested for the disease. People who were also at a clinic in Collegeville, Pennsylvania, on February 26 from 11.45am to 2.15pm, and the Children's Hospital of Philadelphia King of Prussia campus, from 12.52am to 3.02pm, are also being advised to get tested.