The Czech Republic reported 28,469 new cases of coronavirus on Wednesday, the highest daily tally since the pandemic reached the country in March 2020.
The number reported for Tuesday is more than double the 12,371 cases reported for the same day last week.
Screening increased this week with the introduction of twice-weekly tests at all workplaces. 128,000 tests were performed on Tuesday, 29,000 more than a week ago.
Experts say up to 50,000 cases a day could be recorded in the coming weeks due to a surge in the Omicron variant of the virus.
The previous one-day record was just under 28,000 on 25 November last year.
The worst situation is still registered in Prague. On Tuesday, the daily number of confirmed cases in the capital was again record-breaking, with tests revealing 5,741 positives.
On the other hand, the Vysočina and Moravian-Silesian regions are relatively the best, with 529 newly infected and 552 per 100,000 inhabitants in the last seven days.
On Tuesday, 1,635 patients with covid-19 required hospital care, 252 of whom were in severe condition. Both numbers are decreasing for the past few weeks.
Last year, at the beginning of December, there were around 20,000 people were infected daily, and more than 7,000 hospitalized.
