CHAIN
| Acronym | Definition |
|---|---|
| CHAIN | China HIV/AIDS Information Network |
| CHAIN | Community Health and Information Network (UK) |
| CHAIN | Community Health Action Information Network (Florida, USA) |
| CHAIN | Children's HIV/AIDS Network (South Africa) |
| CHAIN | Contact, Help, Advice, Information, Network for Effective Health Care (database) |
| CHAIN | Computerized Head-End Access Information Network |
| CHAIN | Comprehensive HIV/AIDS Information Network (Oklahoma) |