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SARS-CoV-2 infection in London, England: Impact of lockdown on community point-prevalence, March-May 2020
Michael Edelstein; Chinelo Obi; Meera Chand; Susan Hopkins; Kevin Brown; Mary Ramsay.
Affiliation
  • Michael Edelstein; Public Health England
  • Chinelo Obi; Public Health England
  • Meera Chand; Public Health England
  • Susan Hopkins; Public Health England
  • Kevin Brown; Public Health England
  • Mary Ramsay; Public Health England
Preprint in English | medRxiv | ID: ppmedrxiv-20109017
ABSTRACT
COVID-19 point prevalence PCR community testing allows disease burden estimation. In a sample of London residents, point prevalence decreased from 2.2% (95%CI 1.4;3.5) in early April (reflecting infection around lockdown implementation) to 0.2% (95%CI 0.03-1.6) in early May (reflecting infection 3-5 weeks into lockdown). Extrapolation from reports of confirmed cases suggest that 5-7.6% of total infections were confirmed by testing during this period. These data complement seroprevalence surveys improving the understanding of transmission in London.
License
cc_by_nc
Full text: Available Collection: Preprints Database: medRxiv Type of study: Experimental_studies / Observational study Language: English Year: 2020 Document type: Preprint
Full text: Available Collection: Preprints Database: medRxiv Type of study: Experimental_studies / Observational study Language: English Year: 2020 Document type: Preprint
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