| EHF | epidemic hemorrhagic fever; exophthalmos-hyperthyroid factor; extreme high frequency |
|---|---|
| HDI | hemorrhagic disease of infants; hexamethylene diisocyanate; hospital discharge index |
| HEG | hemorrhagic erosive gastritis |
| HER | hemorrhagic encephalopathy of rats; hernia |
| HERS | Health Evaluation and Referral Service; hemorrhagic fever with renal syndrome |