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" ... Figure 1. Neutralizing activities in serum from recovered COVID-19 donors prior to and following a ... [+] single immunization with the Pfizer/BioNTech or Moderna vaccines against Wuhan-Hu-1 and B.1351 SARS CoV-2 pseudoviruses and SARS-CoV-1 pseudoviruses. ... "
" ... Figure 1c. Neutralization of recombinant SARS-CoV-2 VSV-based pseudoviruses (D614G, B.1.351 and P.1) ... [+] by serum from participants before (D1) and 15 days after boosting (D15) with 50 µg of mRNA-1273 (A and B) and mRNA-1273.351 (C and D). ... "
" ... In an attempt to quell these concerns, the researchers behind the study introduced different mutations exhibited by B.1.1.7 to pseudoviruses created in the laboratory that contained the SARS-CoV-2 spike. They also drew antibodies from the blood of 16 people inoculated with the Pfizer-BioNTech vaccine. Fortunately, they found that these antibodies, administered in concentrations similar to those that neutralize older variants, could still deactivate the lab-mutated virus—excellent news that should calm the nerves of many preparing to receive the vaccine. ... "