I have a bacteria chest infection and it's summer. having hard time to breathe. is this part of the infection.

Yes and No: Yes, you can have some difficulty breathing with a respiratory infection. Please make sure your doctor knows about the progression of your symptoms. You might need additional medication.

More information: Is the infection invoking skin? inner organs like lung? If it's a skin infection I doubt it affects your breathing, you might want to see a doctor for evaluation.