Many studies suggesting asthma is caused by microbiome (eg: 1), perhaps this is as well? The article reads like it might be. Interesting that they don't mention

Many studies suggesting asthma is caused by microbiome (eg: 1), perhaps this is as well? The article reads like it might be. Interesting that they don't mention it directly (I can't find any mention). (1) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5755449/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5755449/ (google: "asthma caused by microbiome" for more).