TABLE 2.
Seropositivity rates and GMT of circulating neutralizing antibodies against SARS-CoV-2 RBD of D614G and variants of concern (Delta and Omicron)a
| Variant | D614G | Delta (B.1.617.2) | Omicron (B.1.1.529) |
|---|---|---|---|
| Indicators | 3rd dose + 4 wks | 3rd dose + 4 wks | 3rd dose + 4 wks |
| Seropositivity [no. positive/total no. tested (%)] | 30/30 (100) | 28/30 (93.3) | 23/30 (76.6) |
| GMT (95% CI) | 241.8 (155.7–375.6) | 159.2 (99.1–256.0) | 50.7 (30.4–84.8) |
a
Samples from 30 volunteers were evaluated for antibodies with neutralizing capacity against D614G and VOCs by pVNT.