WASHINGTON — Eight-year-old Brooklynn Chiles fidgets on the hospital bed as she waits for the nurse at Children’s National Hospital. The white paper beneath her crinkles as she shifts to look at the medical objects in the room. She’s had the coronaviru…

BEIJING — Mainland China posted a steep jump in daily COVID-19 infections on Tuesday, with new symptomatic cases more than doubling from a day earlier to a two-year high as a virus outbreak expanded rapidly in the country’s northeast.A total of 3,507 d…

The Chinese city of Shenzhen is in lockdown, following an uptick in COVID-19 cases. Shenzhen, often described as China’s Silicon Valley, is home to several Apple suppliers, including Foxconn.The city’s public transportation has closed, and residents ar…