New Delhi, Dec. 9 -- The US Centers of Disease Control and Prevention (CDC) has confirmed yet another norovirus outbreak on board a cruise ship, bringing the total number of such outbreaks to 21 this year.

The latest outbreak was reported aboard the AIDAdiva cruise ship, operated by Aida Cruises.

The CDC's report said that the virus affected 95 passengers and 6 crew members on board AIDAdiva, who exhibited symptoms such as diarrhoea and vomiting. There were a total of 2,007 passengers and 640 crew members on the ship.

The outbreak on board the AIDAdiva is the latest to have been reported to the CDC, with the last such outbreak taking place on board Oceania Cruises vessel Oceania Insignia in October.

Also known as the Norwalk virus, no...