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Which immune system component initially results in the infammation and responds quickly when Staphylococcus aureus enters the bloodstream?

User Eid
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It could be the second line of defense: nonspecific immunity. That’s the quicker immune system component
User Glessard
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Answer:

The Complement System

Step-by-step explanation:

The initial exposure of the body to an infectious agent e.g. through a vaccine, triggers an immune response most of which rapidly diminishes after the vaccination. However some cells of the immune system called lymphocytes remain with a memory of that pathogen.As a result, if the same pathogen infects a vaccinated person, the memory cells remember and recognize it and rapidly spring into action triggering a much more rapid response specific to that pathogen than the initial exposure, effectively dealing and neutralizing the pathogen.

User Harsh Panchal
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