Vaccination is one of the most powerful tools to extend the average lifespan of humans.Vaccination has successfully eradicated smallpox and significantly reduced the morbidity and mortality of several infectious diseases,such as poliomyelitis[1].It is currently one of the most effective measures to control infectious diseases[1].The health benefits brought by widespread vaccination are beyond doubt,whether for public health or individuals. Vaccination is one of the most powerful tools to extend the average lifespan of humans. Vaccination has successfully eradicated smallpox and significantly reduced the morbidity and mortality of several infectious diseases, such as poliomyelitis [1]. It is currently one of the most effective measures to control health diseases [1]. The health benefits caused by vacc vaccinations are beyond doubt, whether for public health or individuals.