AEFI
| Acronym | Definition |
|---|---|
| AEFI | Adverse Events Following Immunization |
| AEFI | Asociación Española de Farmacéuticos de la Industria |
| AEFI | Associazione Esposizioni e Fiere Italiane (Italian: Italian Exhibition and Trade Fair Association) |
| AEFI | Air and Space Expeditionary Force Indicator (US Air Force) |
| AEFI | Adverse Effect Following Immunization |
| AEFI | Association des Etudiants Francophones de Iasi (Romania) |
| AEFI | Acute Esophageal Food Impaction |