by Bob Yirka, Medical Xpress Antiserum neutralization of VLPs generated with different S genes. (A–D) Fifty percent neutralization titers of sera isolated from individuals vaccinated using Pfizer/BioNTech, Moderna, and Johnson & Johnson vaccines or from convalescent COVID-19 patients. Neutralization curves were determined using VLPs with either S-B.1, S-Delta, or S-Omicron. (E–H) Neutralization titers of sera...
