In severe cases, the viral infection causes a high fever, bleeding into the skin, and necrosis (death) of cells in the kidney and liver. The damage done to the liver from the virus results in severe jaundice which yellows the skin. Hence, the yellow in yellow fever..
filter definition: The definition of a filter is something that separates solids from liquids, or eliminates impurities, or allows only certain things to pass through. (noun) A Brita that you attach to your water faucet to remove impurities from you...
Watch a video to see filtering in action: Video: Filter data by using an AutoFilter. Experiment with filters on text and numeric data by trying the many built-in test conditions, such as Equals, Does Not Equal, Contains, Greater Than, and Less Than. For more information, see Filter data in a range or table.