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Transmission electron microscopy images of two Salmonella phages targeting S. typhimurium ATCC 14028. (A) Salmonella phage SPYS_1 has an icosahedron head with a long, rigid tail; (B) Salmonella phage SPYS_2 has an icosahedron head with a short tail. Phages were stained with 2% phosphotungstic acid and imaged on a JEOL JEM1400 transmission electron microscopy.
