This is an example of ODD or Oppositional Defiance Disorder.
This is a diagnosis where a child just blatantly disobeys and has issues with being told what to do by anyone; especially authority figures.
Wierd but to protect the you no what so the female does not have a baby
The options to choose from are: portal of exit, reservoir, portal of entry
The answers are JoAnn is the reservoir in the chain of transmission. The mucus from her cough is the portal of exit in the chain of transmission.
JoAnn is the reservoir because the cold is stored in her body. The mucus is the portal of exit because it is being coughed up outside the body.