China's experts: Zero-Covid strategy buys time to vaccinate more people

China's tough zero-Covid measures remain essential to defeat the pandemic and buy time to improve vaccination rates and develop new treatments, senior health advisers wrote in recently published reports.

Shanghai, a city of 25 million people, has been locked down for nearly six weeks as it battles China's biggest coronavirus outbreak, but the government have shrugged off criticism of its zero-Covid strategy, saying it remains the best option.

In correspondence published by the peer-reviewed...