Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Host

Medically reviewed by Min Clinic Staff | Updated: January 2026

Host: 1. The organism from which a parasite obtains its nutrition and/or shelter.
2. An organism or cell culture in which a virus can replicate itself.
3. The transplant recipient of a tissue or organ graft.