50.3 MB (2.1 MB compressed)
3399 x 5173 pixels
28.7 x 43.7 cm ⏐ 11.3 x 17.2 in (300dpi)
PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY PEGGY GREB / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Editorial use only.
Salmonella research. Microbiologist (left) and animal scientist collecting Salmonella bacteria from petri dishes inoculated with faecal samples taken from dairy cows. Salmonella bacteria are responsible for causing a number of human diseases, including typhoid fever, paratyphoid fever, and the food-borne illness salmonellosis.
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