A 28-year-old lady presented with, headache, kernigs sign positive, culture showed gram positive bacilli, most probable organism is:: (A) Listeria monocytogenes, (B) H. influenza, (C) Meningococci, (D) Streptococcus pneumoniae
Answer is A. Ans. (a) i.e. Listeria monocytogenes Among options provided listeria is the only Gr positive bacilli. Listeria accounts for 10% of cases of community acquired bacterial meningitis. For details see previous answers.