… With the Delta variant, neutralization titres were significantly decreased by four- to sixfold
when compared to the Alpha and D614G strains, respectively (Extended Data Fig. 7a). This …

… Antibody neutralization assays revealed 4.0- to 6.7-fold and 2.0-fold decreases in neutralizing
… in California exhibiting decreased antibody neutralization warrants further investigation. …

… , the neutralization titers against USA-WA1/2020 decrease … the neutralization titers against
Omicron-spike SARS-CoV-2 … waning neutralization overtime against non-Omicron SARS-CoV-…

… Notably, the NAb titers of six samples (30%) decreased below the threshold against variant
… (40%) and 18 samples (90%) decreased below the threshold against N501Y variant 1 and …

… analyzed neutralizing titers of REGN10933 and REGN10987 for viruses with the SARS-CoV…
REGN10933 maintains neutralizing activity against B.1.1.7 but has lost neutralizing activity …

… Numerous variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) …
evasive immunological features, decrease neutralization using antibodies from vaccinated …

… SARS-CoV-2 antibody levels decrease from 8 weeks after the onset of symptoms and that
serum samples from 33% of SARS-CoV-2-infected patients display no neutralizing … SARS-CoV-…

… and convalescent and vaccine sera to neutralize B.1.617.1 and … Neutralization of both
viruses is reduced compared with … showed markedly more reduction in neutralization of B.1.617.2, …

… The decrease in neutralizing titres … the neutralizing antibody response to SARS-CoV-2
variants upon vaccination. To determine whether previous infection would increase neutralizing …

… Likewise, convalescent plasma raised against early SARS-CoV-2 variants had a marked
decrease in neutralization activity against VoCs harbouring mutations in RBD and NTD, …