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The interaction between virus and intestinal microbiota. The promoting mechanisms include: 1. enhance the infectivity of virus (stabilize the structure of virus and increase the differentiation of target cells); 2. destroy the immune system of the body and weaken the defence against virus. The antagonistic mechanisms include: 1. bacteria and their metabolites directly fight viruses; 2. bacteria and their metabolites eliminate viruses by mobilizing the body’s immune system
