Cruising Healthy Voyage Alerts for GI Illness
Cruising Healthy Voyage Alerts relate to cruise ships, cruise lines, and cruise ports that experience some amount of GI Illness and self-report that illness to the CDC Vessel Sanitation Program in Atlanta, GA.
The Disease Strategies Alert system consists of four colors that correspond with 'increasing' levels of gastrointestinal illness. A Voyage Yellow Alert means passengers should use the first level of caution when touching any public surfaces, including common utensils in the ship cafeterias. A Voyage Orange Alert means that passengers should use some extra caution and avoid crowds, and a Voyage Red Alert means that cruise passengers should avoid crowds when dining, inaminate objects (fomites) including slot machines, while onboard and exiting the voyage.
Voyage Yellow Alerts for GI Illness – Tier I
Voyage Yellow Alerts provides GI Illness information on cruise ships, cruise lines and cruise ports. Voyage Yellow Alerts are second to lowest, but still significant, reportable percentages of GI Illness within the Cruising Healthy Voyage Alert system. This list includes all voyages that have at least eight or as many as fifteen people per thousand with a physician confirmed diagnosis of GI Illness and can be either passengers or crew that reach this threshold.
For cruise ship physicians and passengers alike, a Yellow Voyage Alert for GI Illness should be taken seriously. One criteria for Yellow Alert inclusion is having a GI Illness incidence that exceeds the Cruising Healthy Annual GI Illness Index by at least 10 times but less than 18 times. This median applies to all cruise ships that enter U.S. ports and participate in the CDC Vessel Sanitiation Program.
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