Several countries have introduced new travel restrictions to prevent the spread of the Omicron variant of the coronavirus, which may be more transmissible and may be able to evade some immune protections. However, getting boosted may provide some level of protection against the variant.
Countries around the world have introduced new travel restrictions to limit the spread of the Omicron coronavirus variant first detected in South Africa and Botswana, due to concerns about its transmissibility and immune evasion. Boosters may help provide some protection against the new variant.