Lockdowns in China turn millions into virtual prisoners

China's zero-Covid policy has officials using increasingly extreme measures to stop the virus from spreading. CNN's David Culver reports from Shanghai, where he remains under strict lockdown in his own home.

Lockdowns in China turn millions into virtual prisoners
China's zero-Covid policy has officials using increasingly extreme measures to stop the virus from spreading. CNN's David Culver reports from Shanghai, where he remains under strict lockdown in his own home.