Nowadays, you no longer need a Covid-19 test result or a vaccination booklet to enter.
All you need to do is fill in the “DVIAJEROS” form 24 hours before your arrival and print it out.
In addition, on arrival in Cuba, a free test can be carried out by the authorities. If your test is positive, you will have to comply with the health requirements of the Cuban government.
See other formalities for entering Cuba.