Rhinoviruses typically cause common colds. In a test of the effectiveness of echinacea, 40 of the 45 subjects treated with echinacea developed rhi-novirus infections. In a placebo group, 88 of the 103 subjects developed rhinovirus infections (based on data from “An Evaluation of Echinacea Angustifolia in Experimental Rhinovirus Infections ...

Human Rhinovirus is best known as the common cold. Rhinoviruses are small viruses that are not surrounded by an envelope. These non-enveloped viruses contain a single-stranded RNA genome within a twenty-sided capsid. This icosahedral virus is part of the picornaviridae family, which also includes viruses such as polio and hepatitis A.

Thomas rides in an elevator with a young child suffering from the common cold. Like most young children, the sick girl fails to cover her mouth when she sneezes thus releasing cold viruses (Rhinoviruses) into the air of the elevator. Thomas has the misfortune of …