EpiStack

O-16 - 74 of 923 Huanan market environmental samples tested positive for SARS-CoV-2

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Properties7
type
observation
id
O-16
statement
Of 923 environmental samples collected at the Huanan Seafood Market from 1 January 2020 (after market closure), 74 tested positive for SARS-CoV-2 (70 by RT-qPCR and 4 additionally by Bowtie2 read-mapping); three live viruses were isolated, sharing 99.99-100% identity with the human reference isolate.
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orphan
source
S-16 - Liu, Gao et al. — Surveillance of SARS-CoV-2 at the Huanan Seafood Market (Nature)
locator
Abstract; Results, environmental sampling
quote
SARS-CoV-2 was detected in 74 (70 RT-qPCR and 4 Bowtie2) environmental samples...Three live viruses were successfully isolated.

Sampling began only after the market was closed on 1 Jan 2020. The near-perfect identity of the isolated market viruses to the human epidemic virus confirms the same virus contaminated the market environment.

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