| EIVA | equine infectious anemia virus |
|---|---|
| FHA | familial hypoplastic anemia; Fellow of the Institute of Hospital Administrators; filamentous hemaggl... |
| FVA | Friend virus anemia |
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |