Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
Vaccine - A biological preparation that improves the immune system’s ability to recognize and destroy harmful infectious agents.⏎
Vector - An organism (usually an arthropod such as a flea, mosquito, or tick) that carries an infectious agent from one host to another.⏎
Zoonoses - Any disease that can be transmitted from vertebrate animals to humans.⏎