| Abbreviation | Full Name |
| 5′pppRNA | 5′-triphosphate RNA |
| A172 | Human glioblastoma cell line |
| A549 | Human lung carcinoma epithelial cell line |
| Ala | Alanine |
| Arg | Arginine |
| AS1/2 | Allosteric site1/2 |
| Asp | Aspartic acid |
| AV-C | 1-(2-fluorophenyl)-2-(5-isopropyl-1,3,4-thiadiazol-2-yl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione |
| Bz-nKRR-H | Benzoyl-norleucine-Lys-Arg-Arg-aldehyde |
| BHK-21 | Baby hamster kidney-21 cells |
| C | Capsid |
| Catalytic triad | (Ser-His-Asp) |
| CARD–CARD | Caspase activation and recruitment domain |
| CC50 | 50% cytotoxic concentration |
| CDNs | Cyclic dinucleotides |
| cGAMP | Cyclic GMP–AMP |
| cGAS | Cyclic GMP–AMP synthase |
| CLRs | C-type lectin receptors |
| CN-716 | Boronic peptide CN-716 inhibitor |
| Compound 32 | α-Ketoamide inhibitor |
| Compound 6 | Boroleucine-derived covalent inhibitor |
| Compound 7 | Boronic acid peptide inhibitor |
| CRISPR/Cas9 | Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated protein 9 |
| CYD | Chimeric yellow fever–dengue |
| CYD-TDV | Chimeric yellow fever–dengue tetravalent dengue vaccine (Dengvaxia) |
| Cys | Cysteine |
| DENV | Dengue virus |
| DENV-1 | Dengue virus serotype 1 |
| DENV-2 | Dengue virus serotype 2 |
| DENV-3 | Dengue virus serotype 3 |
| DENV-2 PDK-53 | Dengue virus serotype 2 attenuated strain PDK-53 |
| DSDP | Dispiro-diketopiperazine STING agonist |
| dsRNA | Double-stranded RNA |
| E | Envelope protein |
| EC50 | Half-maximal effective concentratio |
| EC68 | 68% effective concentration |
| EMA | European Medicines Agency |
| ER | Endoplasmic reticulum |
| FDA | Food and Drug Administration |
| GAF | Gamma-activated factor |
| GAS | Gamma-activated sequences |
| Gln | Glutamine |
| Glu | Glutamic acid |
| Gly | Glycine |
| HepG2 | Human hepatoma cells |
| HFF-1 | Human foreskin fibroblasts |
| His | Histidine |
| hmdDCs | Human monocyte-derived dendritic cells |
| HST | Hesperidin |
| Huh7 | Human hepatoma cell line |
| Huh7.5 | Human hepatoma cell line |
| IC50 | Half-maximal inhibitory concentration |
| IC90 | 90% inhibitory concentration |
| IFIT1 | Interferon-induced protein with tetratricopeptide 1 |
| IFIT2 | Interferon-induced protein with tetratricopeptide 2 |
| IFITM1 | Interferon-induced transmembrane protein 1 |
| IFN-I/ IFN-α/IFN-β | Type I interferons |
| IFN-II/IFN-γ | Type II interferons |
| IFN-III/IFN-λ | Type III interferons |
| IFNAR1 | Interferon-alpha/beta receptor 1 |
| IFNAR2 | Interferon-alpha/beta receptor 2 |
| IFNGR1 | Interferon-gamma receptor 1 |
| IFNGR2 | Interferon-gamma receptor 2 |
| IFNLR1 | Interferon lambda receptor 1 |
| IFNs | Interferons |
| IgG1 | Immunoglobulin G subclass 1 |
| IgG2a/c | Immunoglobulin G subclass 2a and 2c |
| IgG2c | Immunoglobulin G subclass 2c |
| IKK | IκB kinase |
| IL-10R2 | Interleukin-10 receptor 2 |
| IL-1β | Interleukin-1β |
| IL-2 | Interleukin-2 |
| IL-28A/B | Interleukin-28A/B |
| IL-29 | Interleukin-29 |
| IL-6 | Interleukin-6 |
| Ile | Isoleucine |
| IRAK 1/4 | Interleukin-1 receptor-associated kinase 1/4 |
| IRF3 | Interferon regulatory factor 3 |
| IRF7 | Interferon regulatory factor 7 |
| IRF9 | Interferon regulatory factor 9 |
| IRFs | Interferon regulatory factors |
| ISG15 | Interferon-stimulated gene 15 |
| ISG54 | Interferon-stimulated gene 54 (IFIT2) |
| ISG56 | Interferon-stimulated gene 56 (IFIT1) |
| ISGF3 | Interferon-stimulated gene factor 3 |
| ISGs | Interferon-stimulated genes |
| ISREs | Interferon-stimulated response elements |
| JAK1 | Janus kinase 1 |
| JAK2 | Janus kinase 2 |
| JAK-STAT | Janus kinase-signal transducer and activator of transcription pathway |
| Ki | Inhibition constant |
| Ki_ii | Second-order inhibition constant (slow-binding inhibition constant) |
| Kᴰ | Dissociation constant |
| LBHB | Low-barrier hydrogen bond |
| LBHBs | Low-barrier hydrogen bonds |
| Leu | Leucine |
| Lys | Lysine |
| MAVS | Mitochondrial antiviral signaling protein |
| MD | Molecular dynamics |
| MDA5 | Melanoma differentiation-associated protein 5 |
| MEK/ERK | Mitogen-Activated Protein Kinase/Extracellular signal-Regulated Kinase |
| Met | Methionine |
| MX1 | Myxovirus resistance protein 1 |
| MX2 | Myxovirus resistance protein 2 |
| MyD88 | Myeloid differentiation primary response 88 |
| NAR | Naringenin |
| NF-κB | Nuclear factor kappa-B |
| NK | Natural killer cell |
| Nle | Norleucine |
| NLRs | NOD-like receptors |
| NMR | Nuclear magnetic resonance |
| NPASS | Natural Product Activity and Species Source |
| NS | Nonstructural proteins |
| NS2B–NS3 | Nonstructural 2B–3 protease |
| NTPase | Nucleoside-triphosphatase |
| OAS3 | Oligoadenylate synthetase 3 |
| ORF | Open reading frame |
| P1-P4 side chain | Substrate residues on the N-terminal side of the scissile peptide bond (following Schechter and Berger nomenclature) |
| p38 MAPK | p38 mitogen-activated protein kinase |
| PAMPs | Pathogen-associated molecular patterns |
| PBMCs | Peripheral blood mononuclear cells |
| Phe | Phenylalanine |
| PKR | Protein Kinase R |
| poly(I:C) | Polyinosinic:polycytidylic acid |
| prM | Pre-membrane protein |
| prM/M | Premembrane/membrane protein |
| Pro | Proline |
| PRRs | Pattern-recognition receptors |
| R848 | Resiquimod |
| RIG-I | Retinoic acid-inducible gene I |
| RLRs | RIG-I-like receptors |
| RSAD2 | Viperin |
| S1–S4 | Protease subsites that accommodate the P1–P4 substrate residues (following Schechter and Berger nomenclature) |
| SAR | Structure–Activity Relationship |
| Ser | Serine |
| SI | Selectivity index |
| ssRNA | Single-stranded RNA |
| STAT1 | Cytoplasmic transcription factors 1 |
| STAT2 | Cytoplasmic transcription factors 2 |
| STING | Stimulator of interferon genes |
| TAK-003 | tetravalent live-attenuated dengue vaccine (Qdenga®) |
| TBK1 | TANK-binding kinase 1 |
| TFMK | Trifluoromethyl ketone |
| THF | Human fibroblasts with extended replicative lifespan |
| Thr | Threonine |
| TLR2 | Toll-like receptor 2 |
| TLR3 | Toll-like receptor 3 |
| TLR4 | Toll-like receptor 4 |
| TLR7 | Toll-like receptor 7 |
| TLR8 | Toll-like receptor 8 |
| TLR9 | Toll-like receptor 9 |
| TLRs | Toll-like receptors |
| TNF-α | Tumor necrosis factor-α |
| TRAF6 | TNF receptor-associated factor 6 |
| TRIF | TIR-domain-containing adapter-inducing interferon-β |
| Trp | Tryptophan |
| TV-003/TV-005 | Butantan-DV |
| TYK2 | Tyrosine Kinase 2 |
| Tyr | Tyrosine |
| U937-DC-SIGN | U937 monocytes expressing DC-SIGN |
| UTR | Untranslated region |
| Val | Valine |
| Vero | African green monkey kidney epithelial cell line |
| Vero E6 | African green monkey kidney epithelial cell line E6 |
| WHO | World Health Organization |
| WNV | West Nile virus |
| WSL-75 | Phenoxymethylphenyl-derived inhibitor WSL-75 |
| WSL-84 | Phenoxymethylphenyl-derived inhibitor WSL-84 |
| YFV | Yellow fever virus |
| ZIKV | Zika virus |
| Note: Amino acid numbers (e.g., Ser135, His51, Asp75) refer to residue numbering within the NS2B–NS3 protease sequence of the corresponding Flavivirus. | |