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Significant Flu protection via Lactic Acid bacteria
Animals administered lactobacillus casei nasally had a 100% survival rate compared to animals that did not which had a 100% fatality rate when exposed to lethal strains of Influenza A.
Citation: Heat-killed Lactobacillus casei confers broad protection against influenza A virus primary infection and develops heterosubtypic immunity against future secondary infection
Scientific Reports 7, Article number: 17360 (2017) doi:10.1038/s41598-017-17487-8