China Returns to Its Strict Covid Restrictions to Fight a New Outbreak

China Returns to Its Strict Covid Restrictions to Fight a New Outbreak: BEIJING — Neighborhoods under strict lockdown. Thousands quarantined. Millions tested in mere days. Overseas arrivals locked up for weeks and sometimes months. China has followed variations of that formula for dealing with the coronavirus for more than a year — and a new outbreak suggests that they could be part of Chinese life for some time to come. China appeared to get the coronavirus under control nearly a year ago. But hundreds of millions...