Vaccine - A biological preparation that improves the immune system’s ability to recognize and destroy harmful infectious agents.⏎
Schizophrenia - A serious mental illness characterized by the presence of hallucinations, delusions, disorganized speech or thinking, a loss of contact with reality, and a noticeable deterioration of functioning in everyday life.⏎
Suburbanization - The process of land conversion and development around the periphery of major cities.⏎
Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎