Relate

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

American Coneflower; Black Sampson; Comb Flower; Echinacea angustifolia; Echinacea pallida; Echinacea purpurea; Hedgehog... 

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 purple coneflower, Echinacea purpurea, is a drought-tolerant perennial of the flowering plant Family Asteraceae and native to North America. It has daisy-like purple flowers arranged in a large cone-shaped head.


Influenza as related to Echinacea