Trump thought COVID was a Democrat scam to defeat him in November - which it indeed turned into rather rapidly. His mistake was trusting the CDC instead of lining up independent experts. Like most business CEO’s, he had a very hard time understanding that high positions in government agencies are very seldom awarded for merit.
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Just to add, Trump also wanted more drugs tested, including Cheap and accessible Drugs and treatments.
Whatever Trump did, they exploded.
In fact, a bunch of Medical / Science personnel said they misled on the Origins of Covid because they didn’t want to support Trump’s position.
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