Gastrointestinal illnesses, including noroviruses, are on the upswing this winter. Although cruises account for fewer than 1% ...

More than 100 passengers and crew onboard a cruise ship that sailed out of Florida have gotten sick with norovirus, according to the Centers for Disease Control and Prevention.

" Signs and symptoms usually begin 12 to 48 hours after your first exposure to a norovirus and last 1 to 3 days," noted the ...