FIG. 4. Plaque morphology and electron microscopy of typing phages of the prcposed international
typing set for S. sonnei. Preparation of microscopic preparations described by Krzywy and Slopek (1974).
Classified by morphological types.
Phage I for S. sonnei ( x 240,000). Icosahedric head. Tail characteristically coiled. Type B-1-2.
typing set for S. sonnei. Preparation of microscopic preparations described by Krzywy and Slopek (1974).
Classified by morphological types.
Phage I for S. sonnei ( x 240,000). Icosahedric head. Tail characteristically coiled. Type B-1-2.