FACTBOX-What lockdown changes will UK prime minister Johnson announce?

Prime Minister Boris Johnson is set to announce limited changes to coronavirus lockdown measures that have been in place for nearly seven weeks when he outlines the next phase of Britain's battle against the pandemic on Sunday evening. Following are some of the changes that are expected, with further details due to be published to parliament on Monday:

SLOGAN The government is replacing its main "stay at home" slogan with "stay alert". Government officials have said, however, that people will still be told to stay at home as much as possible.

CONTACT WITH OTHERS In a government poster published by Johnson on Twitter on Sunday, the new rules included "limit contact with other people". Until now Britons have been banned from holding gatherings of more than two people, excluding people they live with. It was not clear how much interaction would be allowed under the new guidance.

EXERCISE Media has reported that for exercise, people will be able to leave their homes more than just the current once a day.

GARDEN CENTRES Garden centers - selling plants, seeds, and garden equipment - are expected to be allowed to reopen, as long as they adhere to social distancing guidelines for customers. Until now, store openings have been largely restricted to shops selling essentials, like supermarkets and pharmacies.

RETURN TO WORK Government officials has said that the new guidelines will tell people who can work from home to continue to do so, while those who cannot begin to be encouraged to return to work as long as they observe social distancing rules.

TRANSPORT The requirement for buses, trains and underground rail services to maintain social distancing rules means they will only be able to carry vastly reduced passenger numbers, with public transport capacity expected to drop by around 90%.

Transport minister Grant Shapps has urged those returning to commuting to consider cycling or walking to work instead. WARNING SYSTEM

Johnson will detail a five-tier warning system for England, ranging from "green" at level 1 to "read" at level 5 to flag the COVID-19 risk in different areas and to allow the government to increase restrictions where necessary. A government minister said on Sunday that data on infection levels would be brought together by a biosecurity center that would monitor progress against the virus around the country.

QUARANTINE ARRIVALS The government has told airlines it will introduce a 14-day quarantine period for most people arriving from abroad.

The Times said the plan would be announced on Sunday but likely come in to force in early June and would affect people arriving at airports and ports, including Britons returning from abroad.

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