| ECL | emitter-coupled logic; enterochromaffin-like [type]; euglobin clot lysis |
|---|---|
| HIB | heart infusion broth; hemolytic immune body; Hemophilus influenzae type B [vaccine] |
| HITB, HiTB | Hemophilus influenzae type B |
| HIV1 | human immunodeficiency virus type 1 |
| HSV-1 | herpes simplex virus type 1 |