Vaccines and Immunization: What is Vaccination?
Click on the headings "How does a vaccine work?" "How do vaccines protect individuals and communities?" "Who can get vaccinated?" and "What is in a vaccine?". (6 minutes)
WHO
Click on the headings "How does a vaccine work?" "How do vaccines protect individuals and communities?" "Who can get vaccinated?" and "What is in a vaccine?". (6 minutes)
WHO