Question

Go to the CDC flu website, which contains information about the flu’s symptoms, spread, and vaccination information. Clicking the box 'About Flu' will take you to a new page, with flu season categories highlighted on the left. Use the information in this section to write a statement of one to two paragraphs that answers the following questions:

What causes the flu?
A. Influenza virus
B. Cold weather
C. Bacterial infection
D. Allergies

Answer 1

The flu is caused by the Influenza virus. Influenza is a contagious respiratory illness caused by influenza viruses that spread in seasonal epidemics.

Step-by-step explanation:

The flu is caused by the A. Influenza virus.

Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It spreads around the world in seasonal epidemics, affecting millions of people. The flu virus primarily affects the upper respiratory tract but can also extend into the lower respiratory tract.

Each year, the flu causes significant hospitalizations and deaths. It is important to get vaccinated annually to protect against the virus and reduce its spread.