… of whether widespread Omicron infections could lead to future cross-variant protection, …
Here we show that without vaccination, infection with Omicron induces a limited humoral immune …

… the vaccine-induced immunity. Therefore, it is critical to know the persistence of cross-reactive
immunity generated following SARS-CoV-2 vaccination … the BNT162b2 vaccine we did not …

… SARS-CoV-2 Omicron variant has presented a severe threat to the effectiveness of vaccines
… al. demonstrated that Omicron infection boosts preexisting immunity induced by COVID-19 …

… SARS-CoV-2 variants continuously mold the pandemic … elude immunity conferred by prior
infection or by vaccines readily … we could not confirm the role of time between vaccination and …

… Immune response of individuals with SARS-CoV-2 breakthrough infection (CV + CV + Infection)
was compared to those with fully vaccinated CoronaVac vaccines without infection (CV + …

… group of variants forms a new phylogenetically distinct clade that is not directly descended
from other SARS-CoV-2 VOCs (9) (Figure 1). Of all the previous VOCs, BA.1 is most closely …

… cross-variant neutralization in vaccinated people. Their findings suggest that Omicron infection
boosts preexisting vaccine… may or may not have prior immunity against SARS-CoV-2. This …

… not been previously vaccinated and were infected with the Omicron variant developed only
limited … Our study results showing differences in cross-variant immunity from Omicron variant …

… antibodies and broaden the immune response against the SARS-CoV-2 Delta and Omicron
variant, we … there is no impact on in the baseline titer against the Omicron or Delta variant. …

… of mutations in the Omicron S protein, it is not surprising that the … SARS-CoV-2-specific
humoral and cellular immune … confer potent cross-variant reactivity over a prolonged period after …