In this file photo, residents line up for Covid-19 tests near a banner with the words 'Epidemic is the Order' in Wuhan in central China's Hubei province Tuesday, Aug. 3, 2021. China's worst coronavirus outbreak since the start of the pandemic a year and a half ago escalated Wednesday with dozens more cases around the country, the sealing-off of one city and the punishment of its local leaders. (Chinatopix Via AP) **FILE**