aseptic meningitis
nounMedical Definition of aseptic meningitis
: meningitis not caused by a bacterial infection that is of the milder type typically caused by any of numerous viruses
In humans, the West Nile virus can cause encephalitis, a fatal swelling of the brain, and aseptic meningitis, a swelling of the lining of the brain and spinal cord.— Vaishali Honawar, The Washington Times, 4 Oct. 2000 Among patients assessed for postoperative meningitis, aseptic meningitis as a result of the local inflammatory reaction to blood breakdown products may account for up to 70% of cases.— Diederik van de Beek et al., The New England Journal of Medicine, 14 Jan. 2010