Although it's commonly called stomach flu, gastroenteritis isn't the same as influenza. Real flu (influenza) affects only your respiratory system â your nose, throat and lungs. Gastroenteritis, on the other hand, attacks your intestines, causing signs and symptoms, such as:
Meningitis is a disease caused by the inflammation of the protective membranes covering the brain and spinal cord known as the meninges. The inflammation is usually caused by an infection of the fluid surrounding the brain and spinal cord.eningitis can be caused by viruses, like enteroviruses, arboviruses and herpes simplex viruses. Itâs serious, but less severe than bacterial meningitis, and people with normal immune systems usually get better on their own. There are vaccines to prevent some kinds of viral meningitis.
The bacteria then travel through the bloodstream to the brain. Viral Meningitis. Viral meningitis is more common than the bacterial form and generally -- but not always -- less serious. It can be triggered by a number of viruses, including several that can cause diarrhea.People with viral meningitis are much less likely to have permanent brain damage after the infection resolves.eningitis is almost always caused by a bacterial or viral infection that began elsewhere in the body, such as in the ears, sinuses, or upper respiratory tract. Less common causes of meningitis include fungal infection, autoimmune disorders, and medications.