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29.0 x 21.8 cm ⏐ 11.4 x 8.6 in (300dpi)
CDC / SCIENCE PHOTO LIBRARY CDC / SCIENCE PHOTO LIBRARY
Anthrax bacteria culture. Petri dish containing phenylethyl alcohol agar (PEA), which has been inoculated with Gram-positive, Pasteur strain, Bacillus anthracis bacteria. B. anthracis is the pathogen responsible for causing anthrax. This was the appearance of the growth after 24 hours of incubation at 37 degrees Celsius.
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