The Organising Committee of the 2022 Beijing Winter Olympics confirmed that at least six cases of COVID-19 were reported in people who were linked to the games. The positive results came back during testing over the weekend.

Four of the six people who had tested positive for COVID-19 were among the new arrivals. The remaining two individuals are reportedly stakeholders in the bubble. The two people had already taken confirmatory tests, according to reports from Reuters.

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According to a statement released on the official website of the upcoming Beijing Olympic Games, out of the four people who tested positive outside the bio-bubble, one was an athlete or a team official. A total of 529 people linked to the Winter Games arrived at the airport on January 23.

Meanwhile, the International Olympic Committee has reviewed the restrictions related to COVID-19 for the upcoming sporting event, according to an official statement on Monday.

The changes include the threshold for being classed as positive for COVID-19 being eased and the time period for which a person is deemed a close contact being reduced from 14 to 7 days. The changes have come into effect immediately and applied retrospectively, according to reports from Reuters citing the statement.

Chinese authorities lifted a monthlong lockdown on the northern city of Xi’an and its 13 million residents Monday as infections subside ahead of the Winter Olympics in Beijing in less than two weeks.

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Meanwhile, the 2 million residents of one Beijing district have been ordered to undergo testing following a series of cases in the capital, according to reports from Associated Press.

The Olympics are being held under strict controls that are meant to isolate athletes, staff, reporters and officials from residents. Athletes are required to be vaccinated or undergo a quarantine after arriving in China.

(With AP inputs)