Why is it so hard to track the origin of SARS-CoV-2?

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Published on ● Video Link: https://www.youtube.com/watch?v=DxF96z8ahtU



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With four million deaths, lingering disease in millions more, and an estimated loss of $22 trillion through 2025, the devastating impact of the COVID-19 pandemic caused by SARS-coronavirus 2 (SARS-CoV-2) has raised an important questions: where did the it come from?




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