4 trends tracked about this subject — the full history, oldest to newest below.
A norovirus outbreak has been confirmed aboard a Disney Cruise Line vessel, coinciding with a broader increase in cases throughout the United States.
Norovirus outbreak on Princess cruise ship leaves 125+ passengers and crew ill, prompting CDC monitoring and vessel quarantine in San Francisco.
A norovirus outbreak has been reported aboard the Ruby Princess as the cruise ship docks in San Francisco.
The Ruby Princess is under quarantine at San Francisco's Pier 27 following a widespread norovirus outbreak affecting over 120 passengers and crew.