Chaining up diarrhoea pathogens

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Two clumped clones (red and green) of salmonella are held together by IgA antibodies. (Image: Emma Slack / ScopeM, ETH Zurich)

 

Researchers have clarified how vaccinations can combat bacterial intestinal diseases: vaccine-induced antibodies in the intestine chain up pathogens as they grow in the intestine, which prevents disease and surprisingly also hinders the spread of antibiotic resistance.

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