CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
False colour transmission electron micrograph (TEM) of virions (virus particles) of the respiratory syncytial (RS) virus, a member of the paramyxovirus group which is a major cause of respiratory tract infections in temperate climates, particularly during the winter months. In adults the virus only affects the upper respiratory tract, but infants may be more severely affected and develop bronchiolitis (inflammtion of the bronchioles) or potentially fatal bronchopneumonia. Magnification: X 40, 000 at 35mm size. Virus red/pink on green background.
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