You say no study to show immunity existed before Covid 19, you don't need a study for common sense. That's what epidemiologist know that you don't know. Your reliance on studies blinds you from taking into account what the medical/science profession always considered, pre-existing immunity. Even with the yearly flu, previous innoculations may not prevent another flu but it builds up your immunity.
For goodness sake you are living in a bubble afraid to do any critical thinking without a study. There's no studies as to how one thinks critically, it's either you have it or you don't.
You mention hydroxy and heart failure issues, did you see that the virus itself, not hydroxy, created vascular problems. That was determined by the Salk institute just recently. That study you listed, didn't take into account that the virus itself was a factor in heart failure. So I doubt it was hydroxy, rather, it was a condition of the virus. If that study had any legitimacy, the heart problems would have shown up in the billions of doses of hydroxy that has been used for decades.
I saw Dr. Rish comments. It was dated 4/19/21, what he is saying is that half of the current Covid 19 cases have been vaccinated with the Covid 19 vaccine. (You totally misunderstood what he had said) Since the cases right now are minimal, that likely is the case. He states that the vaccines effectiveness is probably 50%/60%. I wouldn't doubt him, he knows more than the politically correct Fauci.
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