Vaccines – current status and future needs
نویسنده
چکیده
Prophylactic immunisation against infectious disease has been the most successful medical intervention yet in reducing mortality. From the introduction of vaccination against smallpox at the end of the eighteenth century, there has been continuous progress in producing safe and effective vaccines against a number of common diseases. These vaccines were bacterial toxoids (diphtheria and tetanus); killed whole organisms (e.g. typhoid, cholera, pertussis and the Salk polio vaccine); or live attenuated organisms (e.g. BCG, yellow fever, the Sabin polio vaccine, measles, mumps and rubella).
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