PHOTO: EAST NEWS/BSIP
Note the coronaviruses contained within cytoplasmic membrane-bound vacuoles, and cisternae of the rough endoplasmic reticulum.
This thin section electron micrograph of an infected Vero E6 cell reveals particles of coronavirus. The coronavirus is now recognized as the etiologic agent of the 2003 SARS (Severe Acute Respiratory Syndrome) outbreak.