We report a case of a patient with a lifetime history of 8 episodes of recurrent lymphocytic meningitis. Our findings suggest that susceptibility to recurrent lymphocytic meningitis might be caused by low serum IgG subclass 2 immunodeficiency.
Keywords: HSV-2; IgG2 immunodeficiency; RBLM; herpes simplex virus; meningitis; recurrent benign lymphocytic meningitis; viruses.