The U.S. Centers for Disease Control is working on a new red, yellow and green system for easily identifying cruise ships with Coronavirus.

The Miami Herald is reporting the CDC has been working on the new system for months with the cruise lines on a system to detect, prevent and mitigate the spread of the coronavirus on cruise ships.

Royal Caribbean announced it has cancelled all of its cruises to Alaska and Canada through October 31, 2020.

The decision was made after Canada announced cruise ships are banned from its waters through October 31, 2020.

Guests on cancelled sailings have the choice of getting a 125% Future Cruise Credit, 100% refund or the option to Lift and Shift their booking to a similar booking in 2021.

Disney Cruise Line announced today that due to the Canadian government extending its ban of cruise ships until October 31, sailings on the Disney Wonder that were scheduled to depart between Aug. 3 and Sept. 14, 2020 are cancelled.

Impacted sailings include:

Norwegian Cruise Line published its six-point Peace of Mind health program that aims to take every precaution to keep guests safe from COVID-19.

The cruise line says these rules "just the start of a wave of new technologies and enhancements" that will be rolling out.

The full list of health protocols are available to view, and fall under six major categories:

Carnival Cruise Line has partnered with Infrared Cameras Inc to add thermal camera systems for passenger and crew member temperature screenings. 

ICI claims their cameras have the highest level of accuracy — within 0.1 to 0.3 of one degree Celsius. 

The Government of Canada announced it has extended its ban on cruise ships through the end of October 2020, due to the COVID-19 pandemic.

Marc Garneau, Canada's Minister of Transport, made the announcement that cruise ships with overnight accommodations allowed to carry more than 100 persons are prohibited from operating in Canadian waters until October 31, 2020.

Canada had already banned cruise ships from April through the end of June.

Aida Cruises and Costa Cruises both announced they will cancel all of their sailings until July 31, 2020.

Both cruise lines are subsidiaries of Carnival Cruise Corporation.

German-based Aida Cruises cancelled all sailings through July 31, 2020.

Guests on cancelled Aida cruises will have their cancellations processed chronologically according to the departure date. A travel credit will be on offer and a bonus of 10% on top of the payment already made. The credit can be used for bookings until December 31, 2021.

Hawaii's Department of Business, Economic Development and Tourism published an economic prediction report that expects no cruise ship passengers until the second half of 2021.

The COVID-19 pandemic has caused a major downturn in Hawaii's economy, and it is noteworthy that the report includes an assumption that there will be, "No cruise visitors until second half of 2021."

Bahamas Paradise Cruise Line announced it will resume sailings on July 25 with the Grand Celebration cruise ship.

The Grand Classica will sail again, beginning October 2nd.

In addition, the small cruise line announced an extensive list of new preventative measures designed to ensure the wellness of both passengers and crew.

Capacity control: