I am at a more advanced stage of bronchiectasis, so I am always looking for ways to reduce inflammation/mucous. I am currently using a Healthy Wave PEMF mat (electromagnetic pulse treatment), which has been helpful in reducing mucous. I also just came across several articles about studies that are being done using ultrasound treatments in Covid patients to help reduce lung inflammation. Attached is a link to a study being done at Univ of California. Univ. of Minnesota has also done a similar study. The study participants are also being given some anti-inflammatory drugs in the California study but not in the Minnesota study. This could be promising.

https://health.ucsd.edu/news/releases/Pages/2021-0...

https://cse.umn.edu/college/feature-stories/ultras...