The UK Foregin office regularly publish changes to entry rules for travel to most countries thoughout the world.
Rules for return to the UK can also be found on the same pages
These can be found by following the link below:
The government has stated that it will not hesitate to act in making changes should the threat to the UK increase to what it perceives as dangerous levels even if this means a very short or no period of notice. We therefore recommend that our clients constantly monitor the situation when travelling or intending to travel.