Pneumococcus, or Streptococcal pneumoniae, is an encapsulated gram positive organism. SO that is not a surprise to most people reading this. Here is a diagram of the capsule: Strep pneumo joins other encapsulated organisms such as Haemophilus influenza and Nisseria meningiditis in causing havoc in certain immunodeficiency states. These include anything that affect the opsonization
Dr. Germophile 