What events took place in anna's immune system when invaded by the s. marcescens infection? be specific in your response?

When Anna's immune system was invaded by the s. marcescens infection, the immune system induces pro-inflammatory substance called Cytokinesis.  

Explanation:

Apart from this it initiates the release of protein called as antibodies which are responsible for identification and elimination of disease causing pathogens from the body.  

S. marcescens refers to gram negative bacteria which cause serious urinary as well as respiratory infections. Usually it is found in places such as hospitals, soil and water.

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