Boris Johnson to lead 5pm press conference remotely today (Image: POOL/AFP via Getty Images)

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Boris Johnson will host a Coronavirus press conference remotely from Chequers at 5pm today.

The Prime Minister, who will appear via video link, will be accompanied by Government Chief Scientific Adviser Patrick Vallance and Professor Jonathan Van Tam in Downing Street.

It comes as Boris Johnson is under pressure to announce more exemptions for key workers from app 'ping' isolation. Last night NHS workers were given a limited exemption but industry chiefs are pushing for more.

In England, step 4 of the roadmap out of lockdown comes into effect – all legal restrictions have been lifted.

It comes as Boris Johnson faces questions over his 158 minute U-turn on his decision to self-isolate.

Last night, the Prime Minister tried to claim he had only "looked briefly at the idea" of using a pilot scheme to dodge isolation.

Boris Johnson urged everyone to stick to self-isolation when pinged by the Covid-19 app, hours after he tried to dodge using it himself
(Image: borisjohnson/twitter)

That is despite the fact No10 issued a press release at 8am on Sunday which said, as fact, that he would definitely be doing it.

Today, a Downing Street spokesperson confirmed he has tested negative for coronavirus and is following all self-isolation guidelines.

The World Health Organisation's special envoy on Covid, Dr David Nabarro, said the Government "needed to consider" what to do with people who are being asked to isolate, and messaging needed to be "absolutely clear".

He told Sky News there was a need at some point "to get on, and get our lives going again" but added: "There is no sense of freedom in my heart.

Unfortunately there's a sense that this virus is very much here and is giving us lots of surprises, lots of anxieties, and therefore as a society we go into the next period with our eyes wide open, knowing pretty well what to expect, that is more disease, more long Covid and more challenges as to how we actually behave.

My recommendation is simply wear your mask, don't get too close to people, watch out in confined spaces and remember this virus hasn't gone away.

If you're asked to isolate, please isolate and just let's get through the next two or three months with the minimum possible damage, and at the same time working out how to get on with our lives, despite the presence of this virus."

But retail bosses told of staff shortages because of hundreds of thousands of “pings” in recent days.