Two years into the pandemic, with the number of deaths over five million globally and vaccine-resistant variants continuing to multiply, scientists are in the midst of the most dangerous and ill-conceived experiment in the history of medicine. Pinning their hopes on the success of new mRNA-based vaccines that stretch all conventional notions of a vaccine, and which were hastily released without adequate efficacy and safety trials, they seek to take the wind out of the sails of a full-blown pandemic without fully understanding either the means by which individuals develop resistance to the coronavirus or by which herd immunity is attained.