| DOHyg | Diploma in Occupational Hygiene |
|---|---|
| DPH | Department of Public Health; diphenhydramine; diphenylhexatriene; diphenylhydantoin; Diploma in Publ... |
| DrHyg | Doctor of Hygiene |
| DrPH | Doctor of Public Health; Doctor of Public Hygiene |
| DTH | delayed-type hypersensitivity; Diploma in Tropical Hygiene |