E. Coli
Some strains of Escherichia coli, also known as E. coli, bacteria are responsible for food poisoning when they enter the intestinal tract. When these strains enter the bloodstream, they can destroy red blood cells and cause anemia, coma and even death.
Streptococcus
Various types of streptococcal, or strep, bacteria cause sore throats and skin infections, among other problems. When one type of strep bacteria, Group A, enter the bloodstream, the results can be life-threatening. These bacteria can cause shock, coma, and a specific type of skin necrosis.
Staphylococcus
Staphylococcal bacteria, also called staph, multiply rapidly and can lead to severe infections. When staph bacteria enter the bloodstream, they can cause inflammation, swelling, pus formation and elevated blood pressure. Coma and death can occur if the infected person is left untreated.