The content originally appeared on: CNN Shanghai (CNN)The distant echo of a megaphone blares most mornings from the narrow laneway where I live in Shanghai, summoning me and my neighbors from our homes for our mandatory Covid test. Mask on and cell phone in hand, I step outside before the volunteers in hazmat suits have time to knock. If you miss the call, they'll keep knocking until someone answers. No one is exempt. This massive city of 25 million people […]
