Last night the Caribbean Princess cruise ship returned early to Houston, Texas with passengers and crew members suffering from a gastrointestinal illness (GI) outbreak. There are around 173 people officially reported to be ill on the ship, mostly passengers. A Houston news station says the outbreak was caused by norovirus.

Determining the type of GI

The Centers for Disease Control and Prevention (CDC) announced that there is an outbreak of gastrointestinal sickness of a large percentage of cruise passengers aboard Royal Caribbean’s Explorer of the Seas cruise ship.

The CDC indicates that 281 passengers (9.21% of total passengers) are suffering from norovirus type of symptoms. The symptoms include vomiting, nausea, headaches