Royal Caribbean
www.royalcaribbean.com/faq/questions/onboard-oxygen-tank-policy
Norwegian Cruise Line
www.ncl.com/uk/en/cruise-faq
Azamara Cruises
www.azamara.com/gb/our-ships/accessible-cruising
Carnival Cruises
www.carnival.com/about-carnival/special-needs
Celebrity Cruises
www.celebritycruises.com/int/special-needs/medical-needs
Cunard Line
www.cunard.com/en-gb/accessibility/medical-and-mobility-equipment
Disney Cruise Line
https://disneycruise.disney.go.com
MSC Cruises
https://www.msccruises.co.uk/terms-conditions
Princess Cruises
www.princess.com/en-uk/faq/pre-cruise
Silversea Cruises
www.silversea.com/travel-informations/general-information.html
Saga
https://travel.saga.co.uk
A-ROSA Cruises
www.arosa-cruises.com/river-cruises/my-a-rosa/faq.html
Hapag Lloyd Cruises
www.hl-cruises.com/cruise-with-us/faqs/planning-your-cruise
P&O Cruises
www.pocruises.com/cruise-with-confidence/enhanced-health-measures
APT
www.aptouring.co.uk/about-us/faqs
Fred Olsen Cruise Lines
https://www.fredolsencruises.com/about-us/contact-us
Holland America Line
www.hollandamerica.com/en/gb/about/our-company/accessibility
Virgin Voyages
https://www.virginvoyages.com
Emerald Cruises
https://www.emeraldcruises.co.uk/health-and-safety