Norwegian Cruise Line Holdings has begun borrowing from two revolving credit facilities that total $1.55bn.

Given the uncertainty of the COVID-19 outbreak, Carnival Corp. & plc said it is currently unable to provide an earnings forecast, however a net loss is expected for the fiscal year ending Nov. 30.

People over 70 would need to provide a physician's note verifying their fitness to go on a cruise under the industry's coronavirus plan presented to US officials.

The American Association of Port Authorities is asking the US to include cruise ports in any aid package for the cruise industry.

US officials are reviewing the cruise lines' coronavirus plan, and investors were cheered by President Trump's pledge to help the industry.

Royal Caribbean Cruises Ltd. increased its revolving credit capacity and is taking significant actions to reduce capital expenditures and operating costs in reaction to coronavirus.

Market close update: NCLH down nearly 27% at $19.81, RCL off nearly 26% at $48.27, CCL down nearly 20% at $21.74, LIND off nearly 14% at $9.01.

Given the continued uncertainty surrounding coronavirus, Norwegian Cruise Line Holdings on Thursday took the proactive measure of securing $675m in additional liquidity.

Pre-embarkation temperature checks are to be instituted as part of Cruise Lines International Association members' protocols to combat coronavirus.

Net cruise bookings currently appear to be oscillating around zero, Wells Fargo Securities said in a note.