(CNN) — Soon after a “small selection of beneficial scenarios” of Covid-19 were being detected aboard a Carnival Cruise Line ship, a new fleetwide mask coverage necessitating all visitors to put on masks in some indoor areas was carried out ahead of program, the cruise line claimed.

Carnival did not straight away say precisely how many optimistic circumstances experienced been detected aboard Carnival Vista, which departed out of Galveston, Texas.

The Covid-positive men and women are in isolation and their close contacts have been identified and tested, Carnival said in a statement.

“Our pre-established protocols of vaccinated visitors and crew, screening, improved healthcare abilities and contact tracing predicted the likely for favourable circumstances, and they are developed to adapt to several eventualities,” the assertion mentioned.

The voyage will go on as planned, Carnival explained.

The cruise line will keep on to operate vaccinated cruises as outlined by the US Facilities for Illness Handle and Prevention. The CDC needs 95% of equally travellers and crew to be vaccinated. Carnival explained its crew is completely vaccinated.

In addition to its new mask rule, Carnival is also including a pre-cruise tests requirement for all vaccinated attendees. Totally vaccinated guests need to have a adverse Covid-19 examination consequence (PCR or antigen) taken in three days of departure.

That rule goes into effect on August 14. Both new requirements are slated to be in location via Oct 31.

Top rated image: The Carnival Vista cruise ship docked in Galveston, Texas, on May perhaps 3, 2021. (Image by Jennifer Lake/SIPA United states of america)