What are the symptoms of the H3N2 influenza strain?

Because the H3N2 influenza strain is thought to have the potential to cause fatalities, the United States is on high alert for it. The H3N2 influenza strain is transmitted in the same manner as any other viral infection.

What are the symptoms of the H3N2 influenza strain?
How can you know whether you have the H3N2 strain of the flu? Photo by Usman Yousaf / Unsplash