Carnival Corporation joined the parade of cruise lines announcing their December 2020 cruises are cancelled.

Carnival announced its North American cruise line brands will extend their existing pause in operations, suspending cruise voyages between Dec. 1 and Dec. 31, 2020.

After seven and a half months at a complete standstill, United States-based cruises were given the tentative go-ahead to restart when the U.S. Centers for Disease Control and Prevention allowed its no-sail order to expire on October 31.

MSC Cruises announced on Monday it has cancelled its December 2020 cruises through to and including December 31, 2020.

The new round of cancellations affects three ships in Florida: MSC Seaside in Port Canaveral, and MSC Meraviglia and MSC Armonia both in PortMiami.

Norwegian Cruise Line Holdings Ltd. (NCLH) announced on Monday that it has cancelled all of its December 2020 cruises

NCLH, which also owns Oceania Cruises and Regent Seven Seas Cruises, made the announcement a few days after the U.S. Centers for Disease Control (CDC) opened the door for cruises to conditionally restart.

After seven months of the cruise industry being shutdown in the United States, it looks like it may be coming to an end.

The U.S. Centers for Disease Control (CDC) announced on Friday the No Sail order will not be extended at the end of October, and instead permit cruise lines to demonstrate they can start cruising again safely.

The No Sail order was set to expire on October 31, but will instead be lifted so that cruise lines can attempt a conditional, phased-in return to cruise ship operations.

SilverSea took delivery on Friday of its newest cruise ship, the Silver Moon.

The delivery was made by Fincantieri at the at the Ancona shipyard in Italy.

Silver Moon is the second of three cruise ships to be built by Fincantieri, following the Silver Muse, which was delivered in 2017. The third ship, Silver Dawn, will be delivered in 2021.

Canada has extended its cruise ship ban through the end of February.

Transport Canada made the announcement on Thursday to continue not allowing cruise ships to enter Canadian waters until at least February 28, 2021.

Canada has banned cruise ships with more than 100 passengers since March.

Royal Caribbean Group released its third quarter 2020 results, in addition to a business update for investors to get a sense of where the company is during the shutdown.

Third quarter 2020 results

On March 13, 2020 and due to the COVID-19 pandemic, the company voluntarily suspended its global cruise operation.

The company resumed limited cruise operations outside of the U.S. in July with three vessels from TUI cruises and two vessels from Hapag Lloyd, and in September, for a limited period, with one Silversea ship.

This article was last updated on February 28, 2021.

We know cruise lines are busy implementing protocols from the U.S. Centers for Disease Control and Prevention's conditional sail framework, but one of the biggest looming questions is what will become of cruise ship buffets.