Childhood vaccines prevent the following diseases:

• Diphtheria 
• Haemophilus influenzae type b
  (Hib disease - a major cause of bacterial meningitis)
• Hepatitis A
• Hepatitis B
• Human Papillomavirus (HPV)
• Measles
• Meningococcal
• Mumps
• Pertussis (Whooping Cough)
• Pneumococcal
  (causes bacterial meningitis and blood infections)
• Polio
• Rotavirus
• Rubella (German Measles)
• Tetanus (Lockjaw)
• Varicella (Chickenpox)