MS Iona is an Excellence-class cruise ship in service for P&O Cruises, a subsidiary of Carnival Corporation & plc. Built by German shipbuilder Meyer Werft in Papenburg, she was delivered in October 2020 at a cost of £730 million.
Passengers report widespread illness during a seven-day northern Europe cruise, with P&O confirming gastrointestinal symptoms in fewer than 1% of guests.