A substance that is usually injected into a person or animal to protect against a particular disease.
An extremely small living thing that causes a disease and that spreads from one person or animal to another. It can only reproduce itself by taking over a cell in the body of its host.
Vogt Koyanagi Harada’s disease
A disease associated with chronic inflammation of melanocytes (specialized cells that produce a pigment called melanin). Melanin gives skin, hair, and eyes their color.