I do not believe so - not according to Koch's postulates.   My understanding of Koch's postulates are that these were the original “gold standard” criteria for identifying a micro-organism as the cause of disease. But Koch's postulates were problematic, particularly for viruses, which meant that the postulates were modified by Thomas Rivers in 1937. Koch's postulates are thought by mainstream scientists to be more relevant for bacteria rather than viruses, with Rivers' postulates then
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