Do I need vaccinations before visiting London?

Check destination health guidance and speak to a qualified travel-health professional early enough for any course of vaccinations. Advice depends on itinerary, duration, activities, health and previous vaccinations. Transit can affect entry certificate requirements. This library offers information, not a diagnosis or an individual prescription.

Reference guidance reviewed 22 October 2026; current fares, entry rules, services and warnings must be checked with the linked authority.