Caution urged ahead of lockdown easing on April 12 for shops and pub gardens in England

Indoor gyms, swimming pools, nail salons and zoos will also reopen on Monday, April 12 as lives take another step back towards normality.

However, social mixing indoors will remain heavily restricted, with around 40% of adults yet to receive their first dose of a Covid-19 vaccine.

Professor Peter Horby, a senior scientist advising the Government, warned on Sunday, April 11 that the remaining rules must be abided by to minimise the effects of a future “rebound” in cases.

Prof Horby, chairman of the New and Emerging Respiratory Virus Threats Advisory Group (Nervtag), told Times Radio: “The watchword has got to be caution really.

“The modelling, which is now pretty good, does show that we can expect some kind of rebound – it’s not clear exactly when or how big it will be, but there is, I think, inevitably going to be a bit of a rebound in the number of cases when things are relaxed.”

The University of Oxford academic said the vaccination programme will minimise the extent of hospital admissions and deaths but warned it will not be completely effective.

“Now the extent of it really depends on how well we comply with the ongoing restrictions so we really have to take this step by step,” he added.

“I think we can be joyful and enjoy the freedoms but we’ve still got to realise there’s still a large number of people who’ve not been infected or vaccinated and so they will be at risk.”

In England pubs and restaurants have been making changes during lockdown to maximise their ability to serve customers outside.

But the British Beer and Pub Association estimates that just 40% of licensed premises have the space to reopen for outdoor service.

Both the 10pm curfew rule and the requirement to order a substantial meal with a drink have been scrapped, but social distancing must be abided by.

Domestic holidays can resume to an extent, with overnight stays permitted in self-contained accommodation, such as holiday lets and campsites where indoor facilities are not shared.

But these can only be used by members of the same household or support bubble.

International holidays remain banned until an unknown date, amid a row over the cost of testing plans to assist their return.

People will not be allowed to visit each other’s homes, with socialising indoors continuing to be prohibited outside of support bubbles.

It will be the third in a series of easings since the third national lockdown was legally imposed in England on January 6.

The next significant date is May 17, when socialising indoors will be permitted under the “rule of six” if the Prime Minister judges that the vaccination programme is safely breaking the link between infections and deaths.

After three months of full national lockdown, the Government said on Saturday that a further 40 people had died in the UK within 28 days of a positive Covid-19 test. Another 2,589 lab-confirmed cases were also announced.

More than 60% of adults have received at least one dose of the vaccine, according to official figures stating that 32 million people have received a jab.

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