Friday, July 23, 2021

Viral infection and transmission in a large well-traced outbreak caused by the Delta SARS-CoV-2 variant: The viral loads in the Delta infections were ~1000 times higher than those in the earlier 19A/19B strain infections on the day when viruses were firstly detected


https://ift.tt/3e55F4E via /r/science https://ift.tt/2UJ8ySn

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