A cruise ship that had an outbreak of norovirus infections will dock in Portland on Sunday as planned as the number of infected passengers continues to drop.

The city of Portland said on Friday that local health officials have consulted with the U.S. Centers for Disease Control and Prevention and its counterpart in Maine, “neither of which recommended that the ship be prevented from docking here.”

The outbreak aboard the Oceania Insignia was first reported on Monday when 74 of the ship’s 637 passengers were reported ill, with the predominant symptoms being diarrhea and vomiting, according to the U.S. CDC . The ship was traveling from Montreal to Boston and was in Halifax, Nova Scotia, on Friday afternoon .

Norovirus causes a highly contagious gastrointestinal illness that is often c

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