If you were older, the concern would be about possible coronary artery disease. But, at your age, much of what you describe could occur with an abnormal heart rhythm. The shortness of breath, of course, could be exercise-induced asthma. While you may have some localized scarring from the shot to your chest, it is very unlikely that your symptoms are an indication of pulmonary fibrosis.
Here are 2 questions to talk with the pulmonologist about:
FOLLOW UP
During my appointment today they did another EKG which turned out normal, they also took Chest X-Rays which also showed normal. It doesn't seem like they are able to find the cause of my problems and of course I don't know what is going on. I will add additional information as it is made available to me. Thanks