IRAB
| Acronym | Definition |
|---|---|
| IRAB | Infección Respiratoria Aguda Baja (Spanish: Acute Lower Respiratory Infection) |
| IRAB | Imipenem-Resistant Acinetobacter Baumannii |
| IRAB | Integrated Risk Assessment Branch (Office of Environmental Health Hazard Assessment; California) |
| IRAB | Insulin Receptor Antibody |