CDC's travel-notice page currently lists no Level 4 "Avoid All Travel" notices, but it does list Level 3 and Level 2 risks that change what travelers should ask before leaving; the paper's June 12 account of World Cup health starting with measles said routine contagion can move faster than dashboards, while the June 4 story on different Ebola travel rules said country-specific guidance creates different reader tasks. [1]

The active CDC list is specific: a Level 3 Bundibugyo virus disease notice for the Democratic Republic of the Congo; Level 2 notices for malaria in Yemen, chikungunya in French Guiana, malaria in Mayotte, Bundibugyo virus disease in Uganda, and other destinations; and no excuse for treating travel health as one generic checklist. [1]

San Francisco's World Cup advisory turns that table into clinician behavior by telling clinicians to ask and document recent travel, ask about World Cup matches and associated gatherings, broaden differential diagnoses, isolate suspected airborne or high-consequence infections, and report suspected clusters. [2]

For travelers, the packing list is medical before it is aesthetic: vaccines, repellent, medications, insurance, destination notices, and a clinician question when the country name changes the risk; a notice is not panic, but a pre-flight assignment that belongs beside the passport.

-- NORA WHITFIELD, Chicago