I had pneumonia last feb 20 (during covid before "covid" was diagnosed) , since i have cont. shortness of breath, i can't tolerate aerosol sprays my lungs hurt & my dlco results is 70%. when i breath deep my chest hurt & have phlegm periodically?

These are symptoms of post COVID-19 syndrome. Discuss mucus clearance methods, the need for inhalers and a follow up imaging study. Recovery may be slow, and continue to follow up with your PCP.

It you are a post- COVID 19 long hauler you will need to have continued care as you gradually heal.

It is not feasible to provide a meaningful opinion without additional history, physical examination and may be some tests. Visit this site for information and it would be prudent to see a doctor. https://www.cdc.gov/coronavirus/2019-ncov/hcp/clinical-care/late-sequelae.html#:~:text=The%20most%20commonly%20reported%20symptoms,16%2C%2018%2C%2028). Wish you good health!