| AAMD | American Academy of Medical Directors; American Association of Mental Deficiency |
|---|---|
| ADS | acute death syndrome; acute diarrheal syndrome; Alcohol Dependence Scale; alternative delivery syste... |
| AID | acquired immunodeficiency disease; acute infectious disease; acute ionization detector; Agency for I... |
| AIDS | acquired immune deficiency syndrome |
| AIDS-KS | acquired immune deficiency syndrome with Kaposi's sarcoma |