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JoAnn has a cold. she is coughing up mucus (a respiratory secretion). joAnn's lungs are the_____ in the chain of transmission the mucus from her cough is the_______ in the chain of transmission.

please helpp​

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Answer: JoAnn is the reservoir in the chain of transmission. The mucus from her cough is the portal of exit in the chain of transmission.

Explanation: Basically the cold can't escape from her body so it's stored in her body and the muses is the portal cause its coughed outside of her body similarly to a flu or cold

JoAnn has a cold. she is coughing up mucus (a respiratory secretion). joAnn's lungs-example-1
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