The common cold is a viral infectious disease that infects the upper respiratory system. It is also known as acute viral rhinopharyngitis, or acute coryza. Being the most common infectious disease in humans, the cold is mainly caused by coronaviruses or rhinoviruses.
If you have bacterial gastroenteritis, bacteria have caused an infection in your gut. This usually results in your stomach and intestines becoming inflamed, and youâll probably experience unpleasant symptoms such as vomiting, severe abdominal cramps and diarrhea.umerous kinds of bacteria can cause gastroenteritis, including: 1  yersinia (found in pork). 2  staphylococcus (found in dairy products, meat, and eggs). 3  shigella (associated with water and found in swimming pools). 4  salmonella (found in meat, dairy products, and eggs).
Gastrointestinal Infections and Food Poisoning. Many types of bacteria can cause food poisoning, including certain species of Salmonella, Shigella, Campylobacter, E coli and Listeria. Some of these food-borne bacterial infections cause serious diseases, such as typhoid fever, cholera and botulism. Infection of the stomach with the bacterium Heliobacter pylori is a well-known cause of peptic ulcer disease and may increase the risk for stomach cancer.