Had an x-ray. No pneumonia. I had pneumonia one time in my life and would have sworn I had it again. Just bronchitis. Still sick as dog.
I first had pneumonia as an infant. Every cold has turned into bronchitis since then. My doctor explained that once you get pneumonia you become more susceptible to it. This happens infrequently, but if I get a cold and cannot shake it within a few days, I head to the doctor who prescribes antibiotics. He refers to it as bacterial pneumonia. Wish I knew this growing up and as a young adult because when left to take it's course, I'm hacking for at least three months.
Not sure if it's related, but I also have asthma which causes me to get short of breath more easily. Fortunately, I only had one critical episode asthma attack, requiring emergency hospital care and that was when I was a teenager. On the other hand, I've never knowingly had the flu or its symptoms.
It's currently 19 degrees F in Newark, NJ. Walking your dog in the woods might not be the best idea. At least you don't live in Minneapolis where my niece and her husband do. It is five degrees cooler than Newark. -Up a bit from earlier this week.