Suburbanization - The process of land conversion and development around the periphery of major cities.⏎
Universal Flu Vaccine - A vaccine that is effective against all forms of the influenza virus.⏎
Virus - An infectious agent that is only capable of replicating itself inside the living cells of other organisms.⏎
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.⏎