| ADCC | Antibody-dependent cellular cytotoxicity |
| BMI | Body mass index |
| BSA | Bovine serum albumin |
| CoV2N | CoV2 nucleocapsid protein |
| COVID-19 | Coronavirus disease of 2019 |
| DPG | Disease during pregnancy cohort |
| h | Hour |
| HA | Hemagglutinin |
| HIV | Human Immunodeficiency virus |
| ID50 | 50% infective dose |
| Ig | Immunoglobulin |
| MLS | Mean luminescence signal |
| mRNA | messenger RNA |
| NTD | N-terminal domain |
| PCA | Principal component analysis |
| PSV | Pseudovirion |
| RBD | Receptor-binding domain |
| REML | Restricted maximum likelihood |
| RNA | ribonucleic acid |
| rpm | Rounds per minute |
| S | Spike protein |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus-2 |
| sIgA | secretory IgA |
| VOC | Variant of concern |
| VPG | Vaccine during pregnancy cohort |
| VPP | Vaccine post-partum cohort |
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