A number of cases of<unk>  infection have been reported in the scientific literature. These are primarily cases in preterm infants that are undergoing probiotic treatment, although there are also reports of infection in adults. Infection in preterm infants manifests as bacteremia or necrotizing enterocolitis, while in adults there have been reports of sepsis and peritonitis.
Bifidobacterium longum
Bifidobacterium breve
Prevotella bivia
Campylobacter upsaliensis
Bacteroides dorei
Clostridium perfringens
Lactobacillus acidophilus
Clostridium tetani