The UK has recorded another 52,009 new COVID cases and 115 virus-related deaths, the latest daily figures show.
The number of new infections marks the first time that figure has been above 50,000 since 17 July.
A total of 327,537 cases have been recorded in the past week – an increase of 17.9%.
The figures show there were another 49,080 first doses of a COVID vaccine administered in the latest 24-hour period – meaning a total of 49,554,407 people have had at least one jab.
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A total of 45,460,122 people are fully vaccinated, an increase of 26,365 on the previous day.
The UK total for deaths within 28 days of a positive COVID test now stands at 139,146.
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Separate figures published by the Office for National Statistics show there have now been 162,620 deaths registered in the UK where COVID-19 was mentioned on the death certificate.
The latest figures come after the UK recorded 49,139 new COVID-19 cases and 179 deaths within 28 days of a positive test on Wednesday.
And on Tuesday, the UK recorded 223 COVID-related deaths – the highest daily number since early March.
Boris Johnson has admitted the level of COVID cases is “high” and he is “watching the numbers very carefully every day”.
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However, he has insisted he is “sticking with our plan”.
The government has so far resisted calls to move to Plan B of its autumn and winter COVID response for easing pressures on the NHS.
Health Secretary Sajid Javid has even predicted there could be as many as 100,000 COVID cases a day heading into winter.