Israel’s policy is currently the closest to Switzerland’s, but it is likely to change yet again. A second or third shot is only valid for six months, so under those rules someone who got their booster in December wouldn’t be able to enter come June or July unless a fourth shot became available. But according to Tourist Israel, a tour provider which closely tracks the rules, the country is expected to waive time limits on boosters in March. (Exceptions are currently made for people who can show a certificate of recovery from Covid.)
How do other types of vaccine expiration dates affect travelers?
In some cases — for example, in France and Estonia — there are time limits on the validity of full vaccinations without a booster (nine months for France and a year for Estonia). Because these countries prohibit tourists from the United States and some other countries from visiting if they are not fully vaccinated, that means that a traveler who got their second Moderna shot before…