Scientists assessed each microbe's effects on 21 types of immune cells and on the activity of the entire cast of genes that regulate intestinal immunity. (sciencedaily.com)
Review: Impact of the Gut Microbiota on Intestinal Immunity Mediated by Tryptophan Metabolism. (microbiomedigest.com)
The reason the oral vaccination is used in the vaccine campaign is it provides intestinal immunity that is so crucial in stopping the person - to - person transmission spread in settings where you might have a high transmission rate of the virus — like in tropical areas or areas with suboptimal sanitation. (scientificamerican.com)