Volume 10, Number 3—March 2004
Research
Coronaviridae and SARS-associated Coronavirus Strain HSR1
Figure 3

Figure 3. Ultrastructural analysis of Vero cells infected with severe acute respiratory syndrome–associated coronavirus (SARS-CoV) strain HSR1. A, intracellular budding of SARS-CoV in large vesicles containing CoV virions (magnification x30,000); B, clusters of extracellular virions adjacent to the plasma membrane (magnification x50,000); C and D, intracellular budding of SARS-CoV virions (magnification x50,000).