Japan hit a record single-day number of Covid-19 cases on Saturday, public broadcaster NHK said, as the Omicron variant continued to spread.

The country's daily virus cases exceeded 100,000 c marking a fresh high.,

Most regions in Japan are now under infection control measures to try to blunt the spread of Omicron that has exploded among a population where less than 5 per cent have received vaccine booster shots.

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