Suburbanization - The process of land conversion and development around the periphery of major cities.⏎
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.⏎
Sterilization - The process of destroying all forms of life, including infectious agents, from a surface, fluid, or biological medium with the use of heat, chemicals, irradiation, high pressure, filtration, or some combination of these methods.⏎
Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎