DescriptionThis Event Outcome will Settle to "Yes" if a credible reporting source confirms that another major cruise line (such as Royal Caribbean, Carnival, or Norwegian) experiences a norovirus outbreak affecting at least 50 passengers before the Event Date Close. If it becomes impossible for this Event Outcome to Settle to "Yes", the Event Outcome may Settle immediately to "No". The primary source for this Event Outcome will be CDC reports, cruise industry tracking sites, or a consensus of credible health and travel reporting sources. The Event Outcome is a Prediction on an Announcement from a credible reporting source.