Vaccines, Immunization, and Viruses
Vaccines have virtually wiped out most common childhood diseases. They have done this by helping children (and adults, too) to develop an immunity that protects them from the disease-causing agent.
KeywordsHuman Immunodeficiency Virus Acquire Immune Deficiency Syndrome Pertussis Vaccine Allergic Conjunctivitis Allergic Child
Unable to display preview. Download preview PDF.