| FIV | feline immunodeficiency; forced inspiratory volume |
|---|---|
| GDID | genetically determined immunodeficiency disease |
| GRID | gay-related immunodeficiency [syndrome] |
| ICASO | International Committee of Acquired Immunodeficiency Syndrome Service Organisations |
| ICF | immunodeficiency-centromeric instability-facial anomalies [syndrome]; indirect centrifugal flotation... |