Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Lipid - A broad group of molecules including fats and waxes that are insoluble in water and are an important part of living cells.⏎
Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎
Intravenous - The use of veins through which medications and solutions are administered.⏎