If he fails to have his visa cancellation overturned and gets deported, Novak Djokovic risks missing more than one Australian Open and could be barred for up to three years.
Hong Kong authorities announced a two-week ban on flights from eight countries and held 2,500 passengers on a cruise ship for coronavirus testing as the city attempted to stem an omicron outbreak.
Lockdowns are so strict and so prolonged in the Chinese city that residents have taken to social media to complain and joke about a lack of basic supplies.
In the face of rising COVID-19 cases, Dr. Bob Wachter of the University of California, San Francisco, offers reasons to be hopeful about the pandemic's outlook in the months ahead.
The move to shorten the Pfizer booster interval comes as the U.S. shatters daily case records. The recommended interval for those who received Moderna or Johnson & Johnson vaccines has not changed.