Just a few months ago, the capital – the hardest-hit region in the UK – had thousands of new cases of coronavirus each day.
But on Monday, London recorded no new infections, compared to 19 the day before.
However, the new figure could be down to a temporary glitch in the Covid-19 patient notification system on May 16.
Last week, research by PHE and Cambridge University suggested London could be ‘corona-free’ as soon as June.
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London’s virus reproduction rate – known as R – fell to 0.4, giving the capital the lowest R rate in the country.
Before the lockdown, London’s R rate was 2.8 and around 213,000 Londoners were being infected with coronavirus each day at the peak of the crisis, according to Cambridge’s MRC Biostatistics Unit.
The same modelling data found the number had dropped to 10,000 by April 7, the Telegraph reported
Lockdown rules in England were relaxed last week, giving people the chance to sunbathe in public spaces and have unlimited exercise allowed, so long as they observe social distancing.
The Government has also told people to go back to work if they can’t do so from home.
The new measures has caused chaos on London’s transport network, which is still running on a reduced timetable.
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