Here's article about allicin vapors being used against common lung bugs, alone or in combination with antibiotics.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6151386/
"Because of the problems of attaining effective concentrations of allicin where it is needed when it is consumed orally, direct inhalation in the case of lung infections seems an attractive alternative. The successful treatment of tuberculosis patients by inhalation of garlic vapor has been reported."