BAZHOU, China (AP) — Nearly three years after it was first identified in China, the coronavirus is now spreading through the vast country. Experts predict difficult months ahead for its 1.4 billion people. China’s unyielding “zero-COVID” approach, which aimed to isolate all infected people, bought it years to prepare for the disease. But an abrupt reopening, which was announced without warning on Dec. 7 in the wake of anti-lockdown protests, has caught the nation under-vaccinated and short on hospital capacity. Experts have forecast between a million and 2 million deaths next year. Predicting deaths has proven tricky throughout the pandemic,...