Does one episode of short time bronchitis that is already been treated cause any form of lung cancer in the future?

It is unlikely to be causative. Avoid smoke exposure and smoking. Discuss a COVID-19 and Flu vaccine with your physician.

No. You can reduce your risk of cancer by adopting healthy habits: Eat a mostly vegetarian diet, avoid alcohol, tobacco and street drugs, avoid excessive exposure to sun, exercise 30 minutes each day, drink enough water so your urine is mostly colorless.