Host-Pathogen Interactions and Immune Evasion
Q: True or False: A 'pathogen' is defined as any microorganism that can be found in or on the human body.
Did You Know?
True. The catalase test is a primary test to differentiate staphylococci (catalase positive - produce bubbles with H2O2) from streptococci (catalase negative - no bubbles). This is a fundamental first step in Gram-positive cocci identification.
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