Template:Potd/2009-09-17 (en)

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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.

This is the English translation of the Picture of the day description page from .

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.

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