Intestinal gram-negative meningitis

Intestinal gram-negative meningitis is caused by bacteria belonging to the family Enterobacteriaceae, including E. coli, Salmonella, Citrobacter, Enterobacter cloacae, Klebsiella, Proteus, Edwards, etc. Gram-negative bacilli. This type of bacteria generally does not cause disease in the intestine, and is only pathogenic when entering other organs under certain conditions, so it is called conditional pathogenic bacteria.