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Residents queue at a Covid-19 testing facility outside of the impacted areas during a lockdown due to Covid-19 in Shanghai, China, on Monday, March 28, 2022. Shanghai is locking down the city in two phases to conduct a mass testing blitz for Covid-19, as authorities scramble to staunch a spiraling outbreak thats challenging Chinas zero-tolerance approach to the virus like never before. Photographer: Qilai Shen/Bloomberg via Getty Images

Residents queue at a Covid-19 testing facility outside of the impacted areas during a lockdown due to Covid-19 in Shanghai, China, on Monday, March 28, 2022. Shanghai is locking down the city in two phases to conduct a mass testing blitz for Covid-19, as authorities scramble to staunch a spiraling outbreak thats challenging Chinas zero-tolerance approach to the virus like never before. Photographer: Qilai Shen/Bloomberg via Getty Images