Viral meningitis is more common than the bacterial form and generally -- but not always -- less serious. There are a number of viruses that can trigger the disease, including several that can cause diarrhea. read more
Viral is more common. That is a good thing, since viral meningitis is not as serious as bacterial meningitis. Also, as more people get vaccinations against the most common forms of bacterial meningitis, the rates should get lower. read more