Overall, cruise lines sailing into North America

Overall, cruise lines sailing into North America AZD6244 mw have the onboard capability to manage varicella

cases and outbreaks and appear responsive to CDC recommendations. Cruise lines should continue to implement CDC-recommended response protocols to curtail outbreaks rapidly and should consider whether pre-placement varicella immunity screening and vaccination of crew members is a cost-effective option for their respective fleet operations. In 2009, an estimated 10,198,000 passengers embarked on cruise ships in North American seaports, with an estimated 13,442,000 passenger embarkations worldwide.[1] The cruise ship industry continues to burgeon, with a reported growth rate during 1990 to 2009 of 7.2% annually, characterized by larger fleet sizes; larger, more complex vessels; more annual voyages; and larger passenger and crew cohorts.[2] Of the reported 118 ships representing 4,212 voyages that originated in the United States during 2008, 54% of passengers embarked at seaports in Florida. The cruise ship environment is home to thousands of crew members who live and work at sea, most of whom were born outside the United States. Crew

members may originate from countries where endemic disease incidence and prevalence rates can differ markedly from those in the United States and with diverse national vaccine strategies. Crew CT99021 members’ living quarters, activities, galleys, and eating areas are separate from those of passengers, may vary by job duties, and may facilitate the introduction and spread of disease among crew who work and live closely for prolonged periods of time.[3] Communicable diseases associated with cruise ship passengers and crew are well documented.[4, 5] During a single 106-day cruise ship voyage, dermatologic and respiratory symptoms were the most common presenting complaints to the ship’s dispensary.[4] Reports of disease epidemics of public health importance aboard cruise ships include influenza

A and B,[6-12] Legionella pneumophila,[13-22] rubella,[23] and food-borne and water-borne outbreaks.[24-34] Tacrolimus (FK506) Except during 2009, a pandemic influenza year, varicella (isolated cases and outbreaks) was the vaccine-preventable disease most frequently reported to the Centers for Disease Control and Prevention (CDC) since 2005 by cruise ships sailing in US waters [CDC Division of Global Migration and Quarantine (DGMQ) Quarantine Activity Reporting System (QARS), unpublished data]. In the context of ongoing challenges associated with communicable diseases affecting cruise travelers, an extensive collaboration has developed between the cruise industry and the CDC. Since 2005, the CDC DGMQ has received numerous isolated case reports of varicella among crew members and has investigated outbreaks aboard vessels sailing into and from US seaports.

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