Diphtheria (D) is an infectious disease spread through the respiratory tract, causing severe complications in injections, nerve. The disease pertussis (P) is an infectious disease transmitted through respiratory, easy to cause death in young children. tetanus (T) is toxic infections due to bacteria penetrate through the open wound, causing muscle rigidity, convulsions, the suffocation death. Pneumonia and meningitis due to Hib is the infectious disease caused by the bacterium Haemophilus influenzae typ b (Hib) causes. The disease spread through the respiratory tract, easy to cause death in young children.
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