Covid live: Scotland delays vaccine passport enforcement; Turkey vows not to close schools despite cases rise

Scotland introduces two-week grace period for venues; Turkey says it will never' close schools again despite recent rise in infections

• 12% of English pupils report continuing Covid symptoms weeks after infection
• Scotland delays Covid vaccine passports after backlash from nightclubs
• Japan to end state of emergency as Covid cases plummet
• UN chief: wealthy nations must share resources or risk crisis for billions
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10.05pm BST

The racial gap in the United States' Covid vaccination campaign has been eliminated while the partisan divide continues to loom large, according to a highly-cited survey published Tuesday.

The Kaiser Family Foundation (KFF) Covid Vaccine Monitor, which conducted a nationally representative phone poll of 1,500 people, found that similar shares of adults now report being vaccinated across racial and ethnic groups", AFP reports.

7.53pm BST

Some people possess a version of a gene which can potentially restrain the virus which causes Covid-19, a study has indicated.

The findings offer an explanation for why some people have better natural defences against serious Sars-CoV-2 infection, say scientists.