Haemopilus influenza-Haemophilus B conjugate vaccine

Streptococous pneumoniae - Pneumococcal vaccine

Neisseria meningitidis - meningcococcal vaccine

Children undergone splenectomy ir those with impaired splenic function (e.g., sickle cell anemia), should take daily penicillin for a least 3 to 5 years or untill adulthood