Lipid - A broad group of molecules including fats and waxes that are insoluble in water and are an important part of living cells.⏎
Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Interferon - A type of protein produced by cells of the immune system that help keep viruses, bacteria, and cancer cells from growing.⏎
Infectious Disease - A type of illness caused by a pathogenic agent, including viruses, bacteria, fungi, protozoa, parasites, or abnormal proteins known as prions.⏎
Immunization - The process of strengthening the body’s defense against a particular infectious agent, often accomplished by receiving a vaccine.⏎