Recently, officials with the federal Centers for Disease Control and Prevention confirmed that Norovirus caused intestinal illness on a third straight cruise from South Carolina earlier this month. The Norovirus sickened almost 420 people aboard Celebrity Mercury, which returned to Charleston on March 18. On two previous cruises this year, hundreds of passengers were sickened by Norovirus on the same ship.

The South Carolina Department of Health says there have been more than forty outbreaks of symptoms associated with the Norovirus across the state. DHEC says they have received reports of Norovirus from every county in South Carolina.

So, is South Carolina sickening the ships or the other way around?