Ampicillin-Resistant Listeria monocytogenes Meningitis in a Previously Healthy 14-Year-Old Athlete

We report a case of ampicillinresistantListeria monocytogenesmeningitis in a previously healthy 14-year-old athlete.Listeria monocytogenesusually occurs as a purulent disease of the CNS. Seldom is any obvious source of infection discovered, but susceptibility to the organism is noted in the very young or old, the immunocompromised, and those afflicted with chronic disease.1Varying antibiotic susceptibility ofL monocytogenesis commonly reported, but in some cases may be due to different laboratory techniques.2Ampicillin has been suggested as the drug of choice for treatment ofL monocytogenesinfection.1 REPORT OF A CASE A 14-year-old boy who was a high school wrestler with no health problems was admitted to another hospital on March 1, 1983, after a four-day history of progressively increasing headache, fever, nausea, and vomiting. Nuchal rigidity was present. Results of a lumbar puncture disclosed the following values: RBCs, 959/cu mm polymorphonuclear cells, 961/cu