Royal Caribbean (RCL) and Celebrity Cruises have further suspended their cruise operations through May 11 because of the coronavirus outbreak.

Royal Caribbean said the suspended service includes all U.S. and international destinations. The cruise line has also canceled cruises in Canadian ports until July 1.

Passengers with booked cruises during the cancellation dates will receive a future cruise credit valued at 125% to sail with Royal Caribbean by Dec. 31, 2021. Customers will be automatically issued a Future Cruise Credit via email. Refunds will also include taxes and fees.

Passengers may also elect to receive a full refund. Refunds must be requested by Dec. 31, 2021. Refunds can be processed online and will arrive 30 days after submittal.

“We know, this too shall pass, and we are optimistic that very soon you’ll be excited about planning your next cruise vacation,” Royal Caribbean said in a statement. “As always, the most important thing to us will always be the safety of our guests and crew.”

Celebrity Cruises has also suspended its global cruise operations through May 11 and Alaskan cruises through July 1. Canadian and New England cruises will be modifying for the dates of May 19, May 28, and June 16.

Celebrity Cruises is providing passengers with cruises booked during this time compensation of 125% in a Future Cruise Credit automatically. The future cruise credit is good through Dec. 31, 2021. A 100% refund may also be issued by contacting the cruise line until the expiration date of the Future Cruise Credit.

“We understand the severity of the public health crisis confronting us around the world and want to ensure that we play our part and take appropriate action,” Lisa Lutoff-Perlo, president and CEO at Celebrity Cruises, said in a statement. “We are working with all guests impacted by these changes and appreciate the patience and understanding of all those involved during these unprecedented times.”

Shares of Royal Caribbean stock were up 21.04% as of 3:52 p.m. EDT on Wednesday.

Tourists walk beside Royal Caribbean's cruise ship ?Enchantment of the Seas? after they arrive in Cozumel
Tourists walk near a Royal Caribbean cruise ship in Cozumel, Mexico. Reuters