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[–]bobbobbybob 5 insightful - 2 fun5 insightful - 1 fun6 insightful - 2 fun -  (0 children)

how was effectiveness determined?

rhetorical question. IT was the same way all vaccines are 'validated'. https://www.ema.europa.eu/en/news/ema-starts-second-rolling-review-covid-19-vaccine

"the vaccine triggers the production of antibodies and T cells (cells of the immune system, the body’s natural defences) that target the virus."

thing is, that means nothing for a CNS invading agent like our dear coronavirus of chinese origin

[–]ArcturianDeathTrap 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)