Template:POTD/2008-05-17
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| Picture of the day | |
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Red blood cells on an agar plate are used to diagnose infection. The plate on the left shows a positive Staphylococcus infection. The plate on the right shows a positive Streptococcus infection and with the halo effect shows specifically a beta-hemolytic group A. These infections can occur in patients undergoing chemotherapy. Bill Branson, National Cancer Institute |
