Five Things to Know About China’s Plans for Regular Mass Covid Testing

Since Covid-19 emerged, mass testing has been a cornerstone of China’s strategy to deal with the virus, along with case tracing and centralized quarantine.

However, as the omicron variant has sparked the country’s worst wave of outbreaks since 2020, many cities have taken on a back-breaking task in recent months — performing nucleic acid tests, also known as PCR tests, on large numbers of residents, usually every 48 hours.