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Flu; Flu / Influenza; Grippe; Influenza (Flu); Influenza and Colds 

Goldenrod; Solidago virgaurea 

Influenza, or flu, is a respiratory infection caused by a variety of flu viruses. The most familiar aspect of the flu is the way it can "knock you off your feet" as it sweeps through entire communities.
The flu differs in several ways from the common cold, a respiratory infection also caused by viruses. For example, people with colds rarely get fevers or headaches or suffer from the extreme exhaustion that flu viruses cause.
The Centers for Disease Control and Prevention (CDC) esti...

The goldenrod is a flowering plant in the Family Asteraceae. About 100 species make up the genus Solidago, most being found in North America, and a few from Europe. Many species are difficult to distinguish. Probably due to their bright yellow flower heads blooming around the same time as ragweed, the goldenrod is often unfairly blamed for causing hay fever in humans. In reality, goldenrod pollen is too heavy to be blown far from the flowers.