 | Micrograph prepared by
Dr Stephan Biel,
Robert Koch Institut, Berlin, Germany
and provided by Dr H-W Ackermann
 | Department of Microbiology Medical Faculty Laval University Quebec, Canada. |
Specimen stained with 2 % uranyl acetate.
The bar represents 100 nm.
Adenovirus purified from a stool specimen using saccharose gradient
centrifugation. The arrows, upper left, point to filament heads.
|