The Tokyo metropolitan government reported 1,271 new daily COVID-19 cases on Friday, topping 1,000 for the third straight day just a week before the Tokyo Olympics start.

The figure in the capital, which is currently under a fourth COVID-19 state of emergency amid a resurgence of infections, hit 1,308 on Thursday, its highest level since late January.

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The capital's latest number topped the figure posted in the week earlier for the 27th straight day, raising its seven-day rolling average of infections per day to 946.3, up 37.8 percent from the previous week.

Health experts advising the metropolitan government have warned the moving average could jump to 2,406 by Aug. 11, shortly after the Olympics end on Aug. 8, topping the third wave that swept across Tokyo in the winter.

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Public concerns remain high that the Olympics could become a superspreader event with the spread of the highly contagious Delta variant of the coronavirus, first found in India.