Booster shots are not irrelevant for the 10's of Millions of people that have received them and wonder if they are impacted by the rule changes. A booster shot is just not necessary NOW in order to make your application receive approval from EHAS.

Below is their current data diagram that covers the rules for entry to SXM. Pretty self-explanatory. Do they need to clean up a few issues with wording or notes on their requirements page, sure, but that doesn't interfere with the meaning of their new rules.