Israel, Austria, and Croatia are requiring citizens to top up their shots due to failing vaccine protection. The move is not unthinkable in the U.S., where the Biden administration has announced plans for upcoming booster shots. TEL AVIV : As data shows vaccines against COVID-19 are failing to offer lasting immune protection, countries including Israel and Austria are cancelling “out-of-date” … Continue reading Countries cancelling COVID vaccine passports for those without booster shots