In addition, college freshmen who wish to reduce their risk of disease should be given the vaccination or directed to a site where vaccine is available. Group A Streptococcus , Group B Streptococcus , and S. pneumoniae . It usually manifests as a clinical syndrome with symptoms of meningeal involvement and, in most cases, recovery is complete. Viral agents can be identified in about half of the isolates tested. CSF findings may include pleocytosis, increased protein, normal sugar, and absence of bacteria.
Aseptic meningitis is a reportable disease and there are seasonal variations in case incidence.
However, actual incidence is unknown due to the difficulty in isolating specific virus types. Precautions and preventive measures are dependent on the etiology, which is often not known until after recovery. Therefore, no special precautions are recommended beyond routine sanitary practices. In addition, there is no treatment or vaccine for most causes of viral meningitis.