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  • Ringman

    nagyúr

    válasz mozso #46814 üzenetére

    ezek labortesztek levett vérből, itt a hatékonyság nem a vakcina hatékonyságával egyenlő, ezek nem átváltható számok védettségre, csak az irányt mutatják

    szerk:
    ez a tegnapi:
    Reduced Neutralization of SARS-CoV-2 Omicron Variant by Vaccine Sera and monoclonal antibodies
    Neutralization performed with sera from double (no-booster) or triple
    BNT162b2-vaccinated (sampled 0.5 or 6 months after boosting) revealed an 11.4-, 37.0- and 24.5-fold reduction, respectively (Figure 1A). Sera from double mRNA1273-vaccinated (no-booster) and additionally BNT162b2-booster sampled 0.5 or 6 months after booster vaccination) showed a 20- and 22.7-fold reduction in the neutralization capacity (Figure 1B). Poor neutralization against Delta and no efficacy against Omicron were observed using sera from heterologous ChAdOx1 and BNT162b2 vaccinated individuals (Figure 1C).
    Additionally, the BNT162b2-booster group showed a significant increase of NAb titers but a 27.1-fold reduction in neutralization against Omicron. (Figure 1C). Convalescent sera poorly neutralize VoCs, however in combination with vaccination provides superior protection. Neutralization of Omicron was 32.8-fold reduced using sera from double BNT162b2-vaccinated and infected individuals (Figure 1A).

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