| Abbreviation | Definition |
|---|---|
| ACT | Access to COVID-19 Tools |
| ACTA | Access to COVID-19 Tools Accelerator |
| ACVR | Annual Conference on Vaccine Research |
| AD26COV2S | Type 26 Adenovirus. Coronavirus 2. SARS-CoV-2 Spike protein |
| ADVA | Asian Dengue Vaccine Advocacy |
| AEFI | Adverse Events Following Immunization |
| AIVP | Automated Identification of Vaccines Project |
| ARCT021 | Arcturus Therapeutics 021 |
| ATAGI | Australian Technical Advisory Group on Immunisation |
| AVAC | Adult Vaccine Access Coalition |
| AVAP | Alaska Vaccine Assessment Program |
| AVEC | Anthrax Vaccine Expert Committee |
| AVIP | Anthrax Vaccine Immunization Program |
| AVN | Australian Vaccine Network |
| BBIBPCORV | Beijing Bio-Institute of Biological Products Coronavirus Vaccine |
| BCG | Bacille Calmette-Guérin (Tuberculosis) Vaccine |
| BNT | Pfizer BioNTech COVID-19 vaccine |
| BNT162 | BioNTech 162 |
| BNT162B2 | BioNTech 162b2 |
| BOPV | Bivalent oral polio vaccine |