| HFRS | Hemorrhagic Fever with Renal Syndrome [HP 849-50] = Korean Hemorrhagic Fever &nbs... |
|---|---|
| CSO | claims services only; common source outbreak; craniostenosis; craniosynostosis; ostium of coronary s... |
| EKC | Epidemic Kerato-Conjunctivitis |
| EHAA | epidemic hepatitis-associated antigen |
| EHF | epidemic hemorrhagic fever; exophthalmos-hyperthyroid factor; extreme high frequency |