Number 10 says the two-metre rule IS staying despite calls for it to be halved to boost economy - as environmental health body warns keeping the current distancing rule is vital

The new research will add to the clamour for Britain's two-metre to be relaxed. Odds of catching coronavirus standing 1m away from infected patient is 2.6%. This means the disease would be spread to fewer than three out of 100 people. Standing 2m apart was slightly better at preventing transmission - a risk of 1.3%. But the review of evidence added that nothing can provide complete protection