摘要
Vaccines for Children-A Guide for Parents and Caregivers Vaccines have contributed to a significant reduction in many childhood infectious diseases,such as diphtheria,measles,and Haemophilus influenzae type b(Hib).Some infectious diseases,such as polio and smallpox,have been eliminated in the United States due to effective vaccines.It is now rare for children in the United States to experience the devastating and
Vaccines for Children-A Guide for Parents and Caregivers
Vaccines have contributed to a significant reduction in many childhood infectious diseases,such as diphtheria,measles,and Haemophilus influenzae type b（Hib）.Some infectious diseases,such as polio and smallpox,have been eliminated in the United States due to effective vaccines.
