Residents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson WongResidents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson Wong
Residents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson Wong

Letters | Hong Kong’s third wave: extend screening to sewage, try ‘pool testing’ for speed

  • Sewage testing, already adopted in Singapore and Australia, can detect community infections a week earlier than other tests while screening samples from pools of people rather than individually can also speed up the process

Topic |   Coronavirus pandemic: All stories
Residents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson WongResidents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson Wong
Residents of Ping Shek Estate queue up to submit a saliva sample for testing on July 7 after an employee of a congee shop tested positive for Covid-19. Photo: Winson Wong
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