@gigiv This is an interesting and potentially important adjunct therapy, and has been discussed in the group before. I read this paper, and even dived into a few of the cited studies, and it looks like it is still a work in process.
Here are a few of the earlier discussions:
https://connect.mayoclinic.org/discussion/anti-mycobacterial-activity-of-garlic/
https://connect.mayoclinic.org/discussion/garlic-for-mac-lung-not-replacement-for-treatment-but-additional/
Maybe you would like to read the earlier posts.

We are still lacking read world testing on people, n explanation of how to use the most effective chemical components and dosage guidelines.
As I understand it, just eating garlic has no particular benefit. And although their are people promoting inhalation of allowing, no safe method has been validated.