00633naa a2200193 a 450000100080000000500110000800800410001902400570006010000240011724500760014126000090021750000590022665000180028565000130030365000140031665300150033065300320034577300620037721341052021-09-08 2021 bl uuuu u00u1 u #d7 ahttps://doi.org/10.1590/1678-4685-GMB-2020-04682DOI1 aYAMAGISHI, M. E. B. aIs our immune system a powerful vaccine factory?h[electronic resource] c2021 aSupplement 1, article e20200468. Letter to the Editor. aImmune system aMutation aMutação aSARS-CoV-2 aSistema imunológico humano tGenetics and Molecular Biologygv. 44, n. 1, p.1-2. 2021.