[Solved] Prices become higher when a unique and highly desirable item is auctioned ________. A)because the supply and demand are equal B)because the demand is higher than the supply C)because the supply is higher than the demand D)because the supply and demand are kept unknown Vaccinated: The state of having received a vaccine, which induces an immune response to protect against specific diseases. Influenza: Influenza is a highly contagious viral infection that affects the respiratory system, causing seasonal epidemics and occasional pandemics. Viral Passage: The process by which a virus is grown in cells or organisms over multiple generations, leading to potential changes in its virulence or transmissibility. Morphological Features: Traits or attributes of an organism's form and structure, including shape, size, and arrangement of parts, visible under a microscope or with the naked eye.