Zoonoses - Any disease that can be transmitted from vertebrate animals to humans.⏎
Vaccine - A biological preparation that improves the immune system’s ability to recognize and destroy harmful infectious agents.⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎
Strain - A genetic variant or specific subtype of a microorganism, such as a virus or bacteria.⏎