Two doses of either the Pfizer-BioNTech or Moderna vaccines offered a significant degree of protection, but far less than the shots’ benefit to people without immune deficiencies.Two doses of either the Pfizer-BioNTech or Moderna vaccines offered a significant degree of protection, but far less than the shots’ benefit to people without immune deficiencies.Vaccination and Immunization, Coronavirus (2019-nCoV), Immune SystemRead More
