| ACE2 | Angiotensin-converting enzyme 2 receptor |
| BR mt | Brazilian mutation (gamma) |
| CD1 | Connector domain |
| CH | Central helix |
| COVID-19 | Coronavirus disease 2019 |
| CQ | Chloroquine |
| cryo-EM | Cryo-electron microscopy |
| CT | Cytoplasmic tail |
| CT1 | C-terminal domain 1 |
| CT2 | C-terminal domain 2 |
| EVOO | Extra virgin olive oil |
| FP | Fusion peptide |
| FPR | Fusion peptide region |
| GISAID | Global Initiative for Sharing All Influenza Data |
| H-bond | Hydrogen bond |
| HCQ | Hydroxychloroquine |
| Hph | Hydrophobic |
| HR1 | Heptad repeat 1 domain |
| HR2 | Heptad repeat 2 domain |
| MD | Molecular dynamics |
| mt, Mt | Mutated, mutant |
| NAbs | Neutralizing antibodies |
| NAG | N-linked glycans |
| NTD | N-terminal domain |
| OC | Oleocanthal |
| OEU | Oleuropein |
| PDB | Protein Data Bank |
| PhD-SNP | Predictor of effect on human health |
| RBD | Receptor-binding domain |
| RBM | Receptor-binding motif |
| RSV | Respiratory syncytial virus |
| S protein | Spike glycoprotein |
| SA mt | South African mutation (beta) |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| TM | Transmembrane domain |
| VOC | Variants of concern |
| wt, Wt | Wild-type |