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Vaccines | CDC Guidance | Childhood | COVID-19 | Flu | Immunocompromised | Infectious Respiratory Diseases | Older Adult | Pertussis (Whooping Cough) | Pneumococcal Disease | RSV

Immunization Glossary

Glossary of respiratory immunizations for pertussis (whooping cough), pneumococcal disease, respiratory syncytial virus (RSV), influenza (flu), and COVID-19.
Last Updated 08/13/2025
Immunization Glossary