- Escherichia coli and Salmonella cause food poisoning.
- Helicobacter pylori cause gastritis and ulcers.
- Neisseria meningitidis causes meningitis.
Escherichia coli food born illness
Helicobacter Infection is very common and increases with age; by age 60, about 50% of people are infected. Long-term infection increases the risk of stomach cancer.