--- title: COVID-19 Spreads to 89 Cruise Ships, CDC To Investigate description: The recent findings of COVID-19 infections on dozens of cruise ships harkens back to the early days of the coronavirus pandemic. canonical: https://time.com/6131901/covid-19-cruise-ships/ author: TIME article:opinion: false article:content_tier: free article:published_time: 2021-12-28T18:34:10.000Z article:modified_time: 2026-08-04T07:51:47.739Z article:section: Health og:title: COVID-19 Spreads to 89 Cruise Ships, CDC To Investigate og:description: The recent findings of COVID-19 infections on dozens of cruise ships harkens back to the early days of the coronavirus pandemic. og:url: https://time.com/6131901/covid-19-cruise-ships/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt409644ae7e42ad3f/698a211adb298776ef267571/carnival-cruise-ships-covid-19.jpg?branch=production&width=1024&quality=75&auto=webp&crop=16:9 og:image:width: 1024 og:image:height: 576 og:image:alt: CDC's 'No Sail Order' For Cruise Ships Extended By 100 More Days og:type: article twitter:card: summary_large_image twitter:title: COVID-19 Spreads to 89 Cruise Ships, CDC To Investigate twitter:description: The recent findings of COVID-19 infections on dozens of cruise ships harkens back to the early days of the coronavirus pandemic. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt409644ae7e42ad3f/698a211adb298776ef267571/carnival-cruise-ships-covid-19.jpg?branch=production&width=1024&quality=75&auto=webp&crop=16:9 ---  # COVID-19 Spreads to 89 Cruise Ships, Prompting a U.S. CDC Investigation > Sponsored content. 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Interviewed by Alice Park, TIME Senior Correspondent._ by [Kasia Klimasinska and Martine Paris / Bloomberg](https://time.com/author/bloomberg/) ## Kasia Klimasinska and Martine Paris / Bloomberg Contributor Dec 28, 2021 6:34 PM UTC  The Carnival Corp. Miracle and Panorama cruise ships sit anchored at the Port of Long Beach in Long Beach, California, on April 13, 2020. The Carnival Corp. Miracle and Panorama cruise ships sit anchored at the Port of Long Beach in Long Beach, California, on April 13, 2020. Tim Rue—Bloomberg/Getty Images by [Kasia Klimasinska and Martine Paris / Bloomberg](https://time.com/author/bloomberg/) ## Kasia Klimasinska and Martine Paris / Bloomberg Contributor Dec 28, 2021 6:34 PM UTC The U.S. Centers for Disease Control and Protection [identified](https://www.cdc.gov/quarantine/cruise/cruise-ship-color-status.html) 89 cruise ships with COVID-19 cases on Tuesday, nearly all of which have met the threshold for a formal investigation. Democratic Senator Richard Blumenthal urged cruise companies and health agencies to stop ships from sailing, saying they are “repeating recent history as petri dishes of Covid-19 infection.” Operators such as Carnival Corp. have implemented safeguards including mandatory masking and proof of vaccination, but the fast-spreading omicron variant has triggered an increasing number of infections and reports of ships being turned away at ports. “Time for CDC & cruise lines to protect consumers & again pause—docking their ships,” Blumenthal said in a tweet. Roger Frizzell, a spokesperson for Carnival, said in an email that “our health and safety protocols put in place have proven to be effective time and time again over the past year with our sailings being restarted across each of our brands.” Of the 86 cruise ships under investigation by the CDC, Carnival operates 32, Royal Caribbean Cruises Ltd. operates 25 and Norwegian Cruise Line Holdings Ltd. operates 15\. Four ships operated by Walt Disney Co.’s Disney Cruise Line are now also under watch, according to the CDC website. The list is rapidly changing and the next stage for ships with outbreaks could involve taking additional public health measures. Royal Caribbean, Norwegian, Disney Cruise Line and Viking Cruises didn’t immediately respond to requests for comment. --- ### More from TIME --- “Health and safety is the cruise industry’s highest priority,” said Bari Golin-Blaugrund, a spokesperson for the Cruise Lines International Association trade group, in an email. “In fact, the latest data show that cases have occurred less frequently on cruise ships than on land, with a greater proportion of asymptomatic or mild cases.” Shares of cruise operators rebounded Tuesday along with the travel sector. As of 12:35 p.m. New York time, Carnival was up 1.2%, Royal Caribbean gained 0.4% and Norwegian was little changed. Of the three, only Royal Caribbean shares have had positive returns this year and they have significantly trailed the broader market, up less than 6% year to date compared to a 27% gain in the S&P 500 Index. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/6131901/covid-19-cruise-ships/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/6131901/covid-19-cruise-ships/"},"headline":"COVID-19 Spreads to 89 Cruise Ships, Prompting a U.S. CDC Investigation","datePublished":"2021-12-28T18:34:10.000Z","dateModified":"2026-08-04T07:51:47.739Z","description":"The recent findings of COVID-19 infections on dozens of cruise ships harkens back to the early days of the coronavirus pandemic.","url":"https://time.com/6131901/covid-19-cruise-ships/","keywords":["COVID-19","healthscienceclimate","bloomberg wire"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt409644ae7e42ad3f/698a211adb298776ef267571/carnival-cruise-ships-covid-19.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Kasia Klimasinska and Martine Paris / Bloomberg"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt409644ae7e42ad3f/698a211adb298776ef267571/carnival-cruise-ships-covid-19.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"CDC's 'No Sail Order' For Cruise Ships Extended By 100 More Days","caption":"CDC's 'No Sail Order' For Cruise Ships Extended By 100 More Days","creditText":"Tim Rue—Bloomberg/Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/covid-19/","name":"COVID-19"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/6131901/covid-19-cruise-ships/","name":"COVID-19 Spreads to 89 Cruise Ships, Prompting a U.S. CDC Investigation"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"Dr. Rajiv Shah | A Year In Lessons","description":"Dr. Rajiv Shah on making vaccine distribution equitable. 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