Assays Bacillus sphaericus Bacteria Blot analysis Cell Wall Cells Enterovirus 71 Epitopes Escherichia coli Gene Expression Gene fragments Genes Gram positive bacterium Human enterovirus 71 Immunofluorescence Lactobacillus Lactobacillus delbrueckii Lactobacillus vaccine Lactococcus Lactococcus lactis Membrane Proteins Muramidase Organisms, Genetically Modified Plasmids Posibacteria Protein Binding Proteins Recombinant Fusion Proteins Vaccines Vaccines, Synthetic