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In reply to the discussion: White House touts Covid-19 'lab leak' theory on new website [View all]58Sunliner
(5,936 posts)The question is the marked differences that can not be accounted for in the zoonotic population of SARS. SARS2 also has strands of human sequences in it's genetic makeup. I don't care one way or another, whether Covid was the product of a lab leak or the result of people eating animals known to contain potential viral epidemics. Either one does not win a Darwin award in my book. What does interest me is the inability to acct for the differences between the SARS 1 and 2 and MERS, the differences by which they spread and their virulence. Anyone who claims emphatically that it was proven to be transmitted by animals is promoting an unproven thesis. No proof that it was a lab leak either.
We could both post data all day long which will not answer the fundamental question. What exactly is the original source of SARS2. We only know it it is related to SARS1. Have a nice day.
"The SARS-CoV-2 genome share about 82% sequence identity with SARS-CoV and MERS-CoV and >90% sequence identity for essential enzymes and structural proteins."
https://www.sciencedirect.com/science/article/pii/S092544392030226X
"Sequence similarity analysis revealed that SARS-CoV-2 has 612 similar sequences with the human genome and 100 similar sequences with the human transcriptome. " I can find no mention of this from original SARS.
"For SARS-CoV-2 detection, RNA needs to be reverse transcribed into DNA for sequencing, so foreign RNA/DNA could cause interference."
https://pmc.ncbi.nlm.nih.gov/articles/PMC9355506/
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