Today’s Daily Boarding Call covers a fourth CDC-reported gastrointestinal illness event connected to the National Geographic Sea Bird during its 2026 Alaska season. GFree also discusses the river-cruise collision near Vienna that injured 14 people and outlines important health precautions for cruise travelers.

On the brighter side, Explora III officially joins the Explora Journeys luxury fleet, while Christopher Nolan’s The Odyssey inspires a surge in travel demand for Greece. Plus, rising jet fuel prices put pressure on Southwest and American Airlines, and Universal reports softer theme park attendance despite the continued popularity of Epic Universe.

The Travel Tip of the Day explains how to protect yourself when gastrointestinal illness is reported aboard a cruise ship—and why medical and trip-i ...