Will we ever know the truth about the origin of coronavirus?
Swiss virologists lean towards animal-to-human transmission, but some say the theory of a leak from a Wuhan lab should be taken more seriously.
Source: swissinfo.ch
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Swiss virologists lean towards animal-to-human transmission, but some say the theory of a leak from a Wuhan lab should be taken more seriously.
Swiss virologists lean towards animal-to-human transmission, but some say the theory of a leak from a Wuhan lab should be taken more seriously.