As of 17th December, you must be fully vaccinated to enter a theme park.    This will no doubt affect attendance at the parks in the summer holidays, and take some of the oomph out of the ST launch, as well as the new slides at WnW.    It will be interesting to see how the parks deal with annual pass holders who will no longer be able to attend, as well as people who have already booked White Christmas tickets and can no longer attend. Refunds will have to be issued I assume.