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Sarah has been eating and sleeping poorly. She was just diagnosed with pneumonia. Tests showed the illness was caused by Streptococcus pneumoniae. In the chain of transmission, Sarah is the , and Streptococcus pneumonia is the .

Respuesta :

Infectious host i believe i hope this helps
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Answer:

Susceptible host and infectious agent

Explanation:

Sarah is the susceptible host in the chain of transmission. She has been eating and sleeping poorly. These habits reduced her immune defenses. The Streptococcus pneumoniae is the infectious agent. It is a pathogen that is capable of causing disease in humans.

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