One of our dogs had that too (and recovered with no issues) but now they are required to get the Bordetella vaccine in order to stay in their cage-free dog care. It's pretty good but not 100% effective, as I learned recently when I wondered why Logan was coughing. It wasn't kennel cough this time; I think it was an irritated throat that he probably deserved after destroying one of my favourite pairs of running shoes.
One thing I didn't know that you've probably been told is that kennel cough is one of the few dog illnesses that can be transmitted to humans. So try not to inhale at the wrong time! Typically, it's people with weak immune systems so you should be fine. Wishing Annie a swift recovery.
I actually thought I read somewhere that it was *not* transferable to humans, so I wasn't being careful. But, since I'm not coughing yet, I think I'm safe.
I was surprised so I checked multiple websites, all of which agreed. I don't think it affects humans the same way - probably just an upper respiratory infection and probably not someone with a strong immune system, which yours should be.