"To isolate a virus, lung fluid, or some other body fluid, is collected, and the virus is separated from everything else. To do that, it must be filtered, usually in a centrifuge, and examined under a microscope to confirm it’s unique characteristics. Everyone who has tried to do this with COVID-19 has failed. Dr. Kaufman believes the reason for this failure is that COVID-19 is merely a new variant of a pathogen category called Coronavirus, which includes many other variants, including the common flu."

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