What are the facts of the “COVID-19 lab leak” theory?

Unchallenged
Jul 4, 21

Researchers at the Wuhan Institute of Virology likely tampered with the SARS-Cov-2 genome.

David Baltimore, a Nobel laureate and professor, explains that arginine codons found in a cleavage site of the novel coronavirus are not usually found in similar viruses but are common in human cells, thus suggesting tampering.

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