… of SARS-CoV-2; 3x Vac + no Inf, three times vaccinated and no … SARS-CoV-2 related
humoral immunity among individuals with diverse immunological backgrounds. By measuring not …

… unvaccinated people from SARS-CoV-2 infection. Therefore, … SARS-CoV-2 inactivated
vaccine could induce the immune … For the variant Omicron, it could be still neutralized in vitro by …

… Consequently, reinfection with SARS-CoV-2 variants is not … the immune responses that
follow SARS-CoV-2 infection and … , Delta and Omicron with changes in the SARS-CoV-2 spike …

… immune barrier established by vaccination or vaccination … against WT SARS-CoV-2 and
Omicron subvariants and between … further vaccination with similar vaccines might not benefit the …

… vaccine-induced immunity, natural infection induces immune … -reactive against multiple
variants including Omicron [14, 15], … signatures that are not observed after vaccination alone [11]. …

… vaccinated individuals triggers robust vaccine recall responses of both T and B cell immunity
including increases in activated SARS-CoV-2 … Omicron BTI did not have increased number …

… vaccinated by RBD-based protein subunit vaccine ZF2001, 58.3% (7/12) sera sampled at
15-60 days after 3rd-dose vaccination did not neutralize Omicron. … induced by vaccines with …

… We conducted a descriptive analysis for those who did not receive an additional vaccine …
Our data are similar but demonstrate a lesser decline in cross-variant neutralizing antibody …

… immune escape potential of Omicron variants, we systematically assessed the effect of each
individual mutation specific to Omicron … We did not cover the impact of combinations of spike …

… Although NAb potency wans over time 7 , we and others consistently found that timely boost
vaccination not only restore waning NAb titers but also broaden the breadth of NAbs, which …