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NewsNBC Bay Area — Local NewsJuly 3, 2026California

Norovirus Outbreak Reported on Ruby Princess Cruise Ship

A total of 125 passengers and crew members on the Ruby Princess cruise ship contracted a stomach virus during a 20-day voyage to Canada and Alaska. The ship, which docked in San Francisco, underwent enhanced cleaning protocols following the outbreak.

public healthcruise shipsnorovirustravelsanitation
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Why It Matters

The incident highlights ongoing public health monitoring of cruise ship travel, where 125 individuals were affected by a highly contagious virus during a recent voyage.

Key Facts

  • 125 total individuals (102 passengers and 23 crew) were infected with norovirus on the Ruby Princess.
  • The ship was on a 20-day round trip from San Francisco to Canada and Alaska.
  • The voyage began on June 12 and the outbreak was reported to the CDC on Saturday.
  • The ship carried a total of 3,032 passengers and 1,144 crew members.
  • Princess Cruises implemented enhanced sanitation protocols and disinfected the ship before its next departure.
  • This is the seventh cruise ship illness outbreak reported to the CDC so far this year.
  • Norovirus symptoms include vomiting, diarrhea, and stomach pain, typically lasting three days.
  • The CDC advises that hand sanitizer is not highly effective against norovirus and recommends washing with soap and water for at least 20 seconds.

Who's Mentioned

locationSan Francisco“The port where the ship docked.”organizationU.S. Centers for Disease Control and Prevention“Federal health agency monitoring the outbreak.”otherRuby Princess“The cruise ship involved in the outbreak.”organizationPrincess Cruises“The cruise line operating the Ruby Princess.”