Toxin - A poisonous substance, often a protein, produced by the metabolic processes of living cells or organisms that can cause disease if introduced into the body.⏎
Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
Transition Zone - The area, sometimes referred to as an ecotone, encompassing the edges of two distinct ecosystems, such as the area where a forest intersects with grassland.⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎