… of serum neutralizing activity against Omicron. This study demonstrates that booster
immunizations can critically improve the humoral immune response against the Omicron variant. …

… , and found that individuals who had received a booster dose with mRNA vaccines had shown
a potent neutralization antibodies against Omicron variant and only 4- to 6-fold lower than …

… The messenger RNA (mRNA) boosters were highly effective against symptomatic delta …
against symptomatic omicron infection. However, with both variants, mRNA boosters led to strong …

… Omicron variant mutations used in this study were based on the most prevalent mutations
(>85% frequency) found in GISAID and reflect the dominant Omicron variant. The regions …

… mRNA vaccine (BNT162b2 or mRNA-1273) booster enhances humoral responses
against the Omicron variant in individuals vaccinated with either two prior doses of mRNA or …

… supporting calls for booster doses while the omicron variant appears to be spreading
globally. Our study, however, demonstrates insufficient prevention of symptomatic infection in …

… immune elicitation against Omicron variant, we performed the following vaccination and
testing schedule. Two doses of 10 µg Omicron LNP-mRNA, as prime and boost two weeks apart …

… Three immunizations of the Pfizer/BNT162b2 mRNA … Omicron variant compared to two-vaccinations.
The emergence of the Omicron variant coincided with recommendations for booster …

… A post-boost improvement in neutralization also was seen for Beta (3.4- and 2.6-fold less …
Thus, the boost provided improvement in neutralization of both the Omicron and Beta variants. …

… Omicron infection. In a recent surveillance report from the United Kingdom, VE estimates for
mRNA booster vaccination against Omicron … 2–4 after the booster, declining to almost no …