Medical workers receive patients arriving in ambulances at a hospital in Suining, in southwestern China’s Sichuan province. Photo: AP
Medical workers receive patients arriving in ambulances at a hospital in Suining, in southwestern China’s Sichuan province. Photo: AP

China orders Covid-19 waste water watch in cities to track variants as cases surge

  • ‘Sewage surveillance’ appears on China’s national Covid-19 directives for the first time as last of zero-Covid curbs are lifted
  • As many as 130 sub-lineages of the Omicron variant have been detected in China in the past three months

Medical workers receive patients arriving in ambulances at a hospital in Suining, in southwestern China’s Sichuan province. Photo: AP
Medical workers receive patients arriving in ambulances at a hospital in Suining, in southwestern China’s Sichuan province. Photo: AP
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