Announcement: Norovirus outbreak sickens 125 on cruise ship docked in San Francisco

GMJ
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Prof. Giorgi Pkhakadze, MD, MPH, PhD
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Cruise ship at port in San Francisco with medical personnel responding to outbreak
A Princess Cruises vessel docking in San Francisco reported 125 cases of gastrointestinal illness among passengers and crew in July 2026. The outbreak highlights persistent disease transmission risks in confined maritime environments. — Photo by Heather Soo on Pexels (Pexels License)
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125 passengers and crew members aboard a Princess Cruises ship contracted a gastrointestinal virus during a voyage concluding in San Francisco, according to federal health officials (July 2026). The outbreak underscores persistent disease transmission risks in confined maritime environments where thousands share dining, sanitation, and air circulation systems.

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ByProf. Giorgi Pkhakadze, MD, MPH, PhD
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MD, MPH, PhD. Editor-in-Chief, Georgian Medical Journal (GMJ). Professor and Head, School of Public Health, David Tvildiani Medical University (DTMU), Tbilisi, Georgia. Chair, Public Health Institute of Georgia (PHIG). President, Accréditation Sans Frontières (ASF), Paris. Secretary/Treasurer, UEMS Section of Public Health. WHO Consultant, Health and Migration, Geneva. Former Member, UN Secretary-General's Independent Accountability Panel for Every Woman, Every Child, Every Adolescent (IAP-EWEC, 2016–2021). ORCID: 0000-0001-7609-4515.

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