AHFIDAILabs/HealthBridgeAI

multilingual WhatsApp AI companion for integrated infectious disease management in Nigeria and West Africa. # HealthBridgeAI A multilingual WhatsApp AI companion for integrated infectious disease management in Nigeria and West Africa. Patients and healthcare workers can ask expert-level questions about HIV/AIDS, Tuberculosis, Malaria, and other diseases — and receive source-cited, trustworthy answers in English, Yoruba, Igbo, Hausa, or Pidgin. > Built by AHFID AI Labs · Powered by Claude (Anthropic) via OpenRouter · Delivered over WhatsApp via Twilio --- ## Overview HealthBridgeAI is a conversational AI platform designed for the general population. Users interact entirely through WhatsApp — no app to install, no account to create. The system combines a curated medical knowledge base with a hybrid retrieval pipeline, large language models, and source citation to ensure every response is grounded, verifiable, and safe. **Key capabilities** - Ask questions about symptoms, treatment, prevention, complications, drug interactions, and more - Receive answers with numbered source citations (WHO, CDC, and other authoritative bodies) - Send voice messages — the bot transcribes, responds, and optionally replies in audio - Converse in English, Yoruba, Igbo, Hausa, or Nigerian Pidgin - Emergency keyword detection routes users to emergency services instantly --- ## Diseases | Disease | Status | Knowledge Base | |---------|--------|----------------| | Tuberculosis (TB) | Active | WHO, CDC, StopTB, IUATLD | | HIV / AIDS | Planned | WHO, UNAIDS, AIDSINFO NIH | | Malaria | Planned | WHO, CDC, NMCP Nigeria | Additional diseases can be added through configuration only — no code changes required. --- ## Tech Stack | Component | Technology | |-----------|------------| | WhatsApp delivery | Twilio WhatsApp Business API | | Web framework | FastAPI + Uvicorn (async) | | LLM | Claude Haiku 4.5 / Sonnet 4.6 via OpenRouter | | Embeddings | BAAI/bge-m3 (1024-dim, 100+ languages) | | Vector store | Pinecone (hybrid dense + BM25 sparse search) | | Re-ranking | FlashRank cross-encoder | | …