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Despite the success of vaccines, only one of these diseases â smallpox â has been erased from the globe. Because of vaccines, 12 deadly diseases can be cured including the chicken pox, diphtheria, Invasive H. flu, Malaria, Pneumococcal disease, polio, tetanus, typhoid fever, Yellow fever and smallpox.
Once high levels of routine immunization have been achieved, national immunization days, followed by close monitoring and 'blitzing' of any outbreaks, can eliminate the disease. In all, vaccines have brought seven major human diseases under some degree of control - smallpox, diphtheria, tetanus, yellow fever, whooping cough, polio, and measles. Photo: Pain now, gain later - vaccines currently in use are saving the lives of three million children a year.Â©.