Intravenous - The use of veins through which medications and solutions are administered.⏎
Immunization - The process of strengthening the body’s defense against a particular infectious agent, often accomplished by receiving a vaccine.⏎
Interferon - A type of protein produced by cells of the immune system that help keep viruses, bacteria, and cancer cells from growing.⏎
Infection - The entry, establishment, and replication of pathogens inside a host organism.⏎