They tend towards simplicity to the point of absurdity. Generally, that’s why I don’t write about theoretical models. However, none of any sequence of SARS-CoV-2 or SC2r-CoVs was found in any samples… The M1 pool contained the sequences of hedgehog HKU31-related CoV under the genus Merbecovirus and rabbit HKU14-related CoV under the genus Embecovirus M6 contained the sequences of canine CoV under the genus Tegacovirus M9 contained the sequences of rat CoV of the genus Embecovirus. Sequence analysis revealed that there are four animal CoVs present in M1, M6, and M9 pools, indicating that the techniques and methods used are feasible.
These samples included swabs taken from grounds, walls, sewers, door handles, chopping blocks, knives, and scissors, and were combined into 11 pools, M1 to M11, and subjected for CoV screening and virome analysis (Table 1, Figure 2A).
A comprehensive survey of bat sarbecoviruses across China for the origin tracing of SARS-CoV and SARS-CoV-2Į collected 22 environmental samples from cold storages for animal products and 80 samples from environment around animal-selling stalls of WHM, once we had brief access to WHM in February, 2020.
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