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).
Infection of the stomach or intestine is called gastroenteritis. Although gastrointestinal infection is most often caused by viruses, such infections can also be caused due to bacteria. Such infections are caused when bacteria infects the lining of the stomach or the intestine.Sometimes, some bacteria like Staphylococcus aureus produces toxins, which causes symptoms like diarrhea, nausea and vomiting.Most stomach infections are caused due to contaminated water, food, or food which has not been cooked well. Causes. Gastroenteritis is one of the most common cause of stomach infection.When gastroenteritis is caused by bacteria, such as Campylobacter jejuni, E. Coli, Salmonella etc. it is known as bacterial gastroenteritis. Helicobacter pylori, a gram-negative bacterium also causes infection in the stomach.Helicobacter pylori infection can lead to peptic ulcers, gastritis and even stomach cancer.uch infections are caused when bacteria infects the lining of the stomach or the intestine. Sometimes, some bacteria like Staphylococcus aureus produces toxins, which causes symptoms like diarrhea, nausea and vomiting.