
Concept explainers
a.
To explain:
The condition from which the young boy is suffering and also determines the most likely causative agent for this.
Case summary:
A young boy is suffering from a sharp pain in his leg when he was at the playground. His mother observed that he had been stung by a bee. The stinger was carefully removed from the site and washed the site well. After a week, the site became swollen and painful and a red line appeared at the site of injury.
b.
To discuss:
The process by which the microbes may have gained access to the portal of entry.
Case summary:
A young boy is suffering from a sharp pain in his leg when he was at the playground. His mother observed that he had been stung by a bee. The stinger was carefully removed from the site and washed the site well. After a week, the site became swollen and painful and a red line appeared at the site of injury.

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Chapter 18 Solutions
Microbiology: A Systems Approach
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