Here's some more fodder for that canon -
Commensal bacteria help orchestrate immune response in lung
Posted: 11 Sep 2014 01:32 PM PDT
Signals from the bacteria that harmlessly -- and often beneficially -- inhabit the human gastrointestinal tract boost the immune system's ability to kill a major respiratory pathogen, Klebsiella pneumoniae, according to a study conducted on mice.
American Society for Microbiology. "Commensal bacteria help orchestrate immune response in lung." ScienceDaily. ScienceDaily, 11 September 2014. <
www.sciencedaily.com/releases/2014/09/140911163221.htm>.
