Streptococcus zooepidemicus

Streptococcus pyogenes (Group A Streptococcus) is a human pathogen responsible for conditions such as strep throat, scarlet fever, and more serious invasive infections, and is not a probiotic organism.

Streptococcus thermophilus is a thermophilic lactic acid bacterium best known as a starter culture in yogurt and cheese production, where it works in symbiosis with Lactobacillus delbrueckii subsp.

Clostridium perfringens is a spore-forming bacterium recognized as a common cause of food poisoning and gas gangrene, and is not a probiotic organism.

Streptococcus agalactiae (Group B Streptococcus, or GBS) is a pathogenic bacterium — not a probiotic organism — clinically significant as a leading cause of neonatal infections and a complication of pregnancy.

Enterococcus gallinarum is an intrinsically vancomycin-resistant enterococcal species — a normal inhabitant of the intestinal tracts of birds and mammals — that appears across clinical, food, water, and environmental set…

Streptococcus pneumoniae (the pneumococcus) is a commensal bacterium of the upper respiratory tract that can cause serious opportunistic infections, including pneumonia, meningitis, and septicemia, particularly in immuno…