| an epidemic of echovirus 18 meningitis. | the first reported outbreak of echovirus 18 meningitis in the united states occurred during the summer of 1972 in durham, north carolina. one hundred three cases of aseptic meningitis were seen at duke university medical center over a period of four months. most of the patients were less than 25 years old, black, and residents of durham county or nearby counties.. symptoms included headache (92%), fever (76%), nuchal rigidity (67%), and nausea and/or vomiting (51%). in contrast to previously pub ... | 1975 | 1167369 |