If the lungs can be subject to bacterial infection, why do there not exist beneficial probiotics that live in lung tissue to combat "bad" bacteria proliferation?

  • There's no such thing as beneficial bacteria in the lungs. – Carey Gregory Jan 26 '20 at 19:28
  • So basically lungs in a good state are completely clear of all bacteria? – paneerlovr Jan 26 '20 at 19:59
  • The lungs aren't sterile, but they're nothing at all like the GI tract. Very few bacteria and at least to my knowledge none of them are considered beneficial. – Carey Gregory Jan 26 '20 at 22:09
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    After doing a little more reading I'm upvoting your question and retracting my first comment. I don't think we know if there are beneficial bacteria in the lungs but it's entirely possible there are. My comment was based on the (outdated) concept that the lungs are a sterile environment. – Carey Gregory Jan 27 '20 at 1:36
  • However, it would be expected on this site for you to do some prior research. Adding a link to a reputable source to your question that discusses bacteria found in the lung would improve it greatly (and is required, actually). – Carey Gregory Jan 27 '20 at 1:42

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