The Infinity ship is currently on a 2-week voyage that started on March 29 and will end in San Diego CA on April 13.
The CDC has not yet figured out whether the outbreak is due to norovirus.Two CDC employees (an epidemiologist and environmental health officer) will be sent to the ship when it reaches San Diego.
In 2013 the Celebrity Infinity ship suffered through a norovirus. This is the 4th GI outbreak on a vessel calling on at a US port, reported to the CDC in 2015. The last one involved Norwegian Pearl.
Related news: At least 116 with GI on Legend of the Seas