Do cruise lines have certified Covid-19 tests onboard? 22 September 2022 11:25 Updated Follow Yes. The cruise lines have COVID-19 testing equipment on-board for Real-Time polymerase chain reaction (RT-PCR) and antigen swab testing. I still need help. Related articles Will I be tested during the cruise? Will I need a booster for my cruise to be 'fully vaccinated'? Can I get off the cruise ship on my own? How to keep healthy onboard? How can I contact you? Comments 0 comments Please sign in to leave a comment.