Description: Rhinoviruses - cause of the common cold (Picornaviridae family, RNA virus). In this transmission electron micrograph rhinoviruses are seen infecting nasal epithelial cells of the nose. Note the numerous small virus particles seen near the surface of two nasal eptithelial cells. Nasal epithelial cells have microvilli (seen projecting from their surface) that are covered with mucus. Rhinoviruses can still infect the nasal epithelial cells even with this mucus coating (mucous membrane). The rhinovirus (also known picornavirus) is a very tiny icosahedral shaped virus (30nm) that spreads easily in the air by droplets produced by coughing, sneezing and even talking. The virus may infect mucous membranes of the nose and also the lungs causing bronchitis. There are no treatments that can kill a rhinovirus. Most over the counter treatments involve relieving symptoms as the body fights the rhinovirus infection. There are over 100 types of rhinoviruses and they cause 30-35% of the common cold in humans. Rhinoviruses can live up to 3 hours on your skin or other objects.
Type: TEM
Magnification:* x15,105
Copyright 2007 Dennis Kunkel Microscopy, Inc.
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