The Rising Influence of Rising Affluence

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Cov-2 Vaccines -- Fauci in his last PBS news hour interview explained that technology has allowed vaccine R&D cycle to be sped up to a degree that he thinks that there is no compromise in safety nor efficacy for the current process, in answer to question about the concern about corner cutting as an impression created by Warp Speed. IYO do you agree with Fauci? If so, do you see the technology impacting mRNA and traditional approaches equally?