Organisers of next month's Beijing Winter Olympics slightly eased the strict COVID-19 requirements for participants, a move that means fewer athletes are likely to be tripped up by positive tests, although authorities also warned about seasonal air pollution.
The International Olympic Committee (IOC) announced the changes on Monday, which included easing the threshold for being designated positive for COVID-19 from PCR tests and reducing to seven days from 14 days the period for which a person is deemed a close contact.
