On December 14, 1999, a lawsuit was filed in the Chester County Court of Common Pleas, alleging that SKB manufacturer of Lymerix, the Lyme vaccine, failed to warn doctors and the public at large that about 30% of the general public could possibly be predisposed to a degenerative autoimmune arthritis that can be triggered by the vaccine. According to the complaint, the autoimmune reaction, once triggered, is unstoppable, and the victim can only be treated for symptoms thereafter.
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My caution is there are too many similarities between Lyme and COVID-19 to assume that a vaccine will work: you cannot create an effective vaccine against something that mutates.
We know very little about COVID-19 so far. However we do know that COVID mutates and spreads rapidly upon activation of the immune system. Therefore, given the nature of how vaccines work, it is illogical to attempt triggering the immune system with a weakened version of COVID.