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Kanaya, T

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This route offers pharmaceutical-grade purity and potency, concentrations well above OTC products (typically 2 to 10 percent or more versus cosmetic-grade 0.01 to 1 percent), physician evaluation before prescribing, ongoing medical oversight, and full FDA compliance

SARS-CoV-2 ferritin nanoparticle vaccines elicit broad SARS coronavirus immunogenicity