"Four of the guests, who are not traveling together, are vaccinated, three are asymptomatic and one has mild symptoms," Royal Caribbean said in a statement provided by Sierra-Caro. "Two of the guests, who are in the same traveling party, are unvaccinated minors and asymptomatic."
To sail on Adventure of the Seas, passengers 16 and older are required to be fully vaccinated against COVID-19 and to receive a negative test before boarding. Children under 16 must test negative before boarding, too. All crew on board are fully vaccinated.