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Volume 10, Number 2—February 2004
THEME ISSUE
2004 SARS Edition

Laboratory Study

Ultrastructural Characterization of SARS Coronavirus

Cynthia S. Goldsmith*, Kathleen M. Tatti*, Thomas G. Ksiazek*, Pierre E. Rollin*, James A. Comer*, William W. Lee*, Paul A. Rota*, Bettina Bankamp*, William J. Bellini*, and Sherif R. Zaki*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA

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Figure 5

Ultrastructural characteristics of a bronchial alveolar lavage (BAL) from a patient with severe acute respiratory syndrome. A) Infected cells from a BAL specimen, showing numerous cytoplasmic and extracellular virions (arrowheads). Note the region of double-membrane vesicles (arrow), a common feature of coronavirus-infected cells. B) At higher magnification, double-membrane vesicles (arrow) are shown to contain diffuse, granular material. Bars, 1 μm.

Figure 5. Ultrastructural characteristics of a bronchial alveolar lavage (BAL) from a patient with severe acute respiratory syndrome. A) Infected cells from a BAL specimen, showing numerous cytoplasmic and extracellular virions (arrowheads). Note the region of double-membrane vesicles (arrow), a common feature of coronavirus-infected cells. B) At higher magnification, double-membrane vesicles (arrow) are shown to contain diffuse, granular material. Bars, 1 μm.

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