LAUSANNE, Switzerland (AP) — The International Olympic Committee announced new restrictions to control the COVID-19 pandemic at the next Winter Games in February. This includes a 21-day quarantine for non-fully vaccinated athletes, officials and workers at the 2022 Beijing Olympics, daily testing for vaccinated people, and no tickets sold to anyone living outside China as Olympic venues open their doors again. While not imposing a vaccine mandate, organizers in Beijing plan stricter rules than applied at the Tokyo Olympics where vaccination was advised though not demanded within a strict regime of testing.

“Games participants who are not fully vaccinated will have to serve a 21-day quarantine upon arrival in Beijing,” the IOC said in a statement.

Olympic athletes can ask to avoid quarantine, the IOC said, for a “justified medical exemption” — a phrase that appeared to exclude ideological objections to vaccines. It will be the second straight Olympics during the pandemic where families of athletes cannot visit the host country to watch the events. The IOC acknowledged “all parties feel for the athletes and the spectators from around the world.”

Residents of the host country, however, should be able to attend the 109 medal events after spectators were barred from nearly all of the 339 events in Tokyo.

“Tickets will be sold exclusively to spectators residing in China’s mainland, who meet the requirements of the COVID-19 countermeasures,” the Olympic body said, though details were not given.

Guests of stakeholders such as sports bodies, sponsors and broadcasters will also be excluded again.

Olympic organizers plan to operate a health security bubble — called a “closed-loop management system” — even for vaccinated people from Jan. 23, almost two weeks before the Winter Games open Feb. 4.

It will stay in place for almost two months until after the Beijing Paralympic Winter Games close on March 13.

“Within the closed loop, participants will be allowed to move only between games-related venues for training, competitions and work,” the IOC said, promising a “dedicated games transport system.”

The Beijing plan should allow vaccinated people freer movement within the Olympic bubble than the 14-day restrictions that applied on arrival in Tokyo.

The rules were announced after a meeting between the IOC and International Paralympic Committee with organizers in China. The Beijing Winter Olympics are being held from Feb. 4-20. The Paralympic Winter Games will be held from Feb. 4 until March 13.