How the Delta Variant Is Challenging China’s Covid Playbook

China is facing its most widespread Covid-19 outbreak in months with more than 200 cases in Nanjing province. Authorities kept tight border controls and ramped up vaccination drives, but the Delta variant is challenging their pandemic response. Photo: Alex Plavevski/Shutterstock

from WSJ.com Video - Most Viewed WSJ Videos https://ift.tt/3lbrALQ