EVERYDAY SCIENCE

Detailed explanation-1: -Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs. Infection usually lasts for about a week and is characterized by sudden onset of high fever, aching muscles, headache, and severe malaise, non-productive cough, sore throat, and rhinitis.

Detailed explanation-2: -What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.

Detailed explanation-3: -Viral infections are any illness you get from a virus (a small germ that uses your cells to reproduce). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores).

Detailed explanation-4: -Influenza, also known as the flu, is a contagious respiratory illness caused by the Influenza A or Influenza B viruses. As a result, flu is classified as a viral infection because viruses are the primary cause.

Detailed explanation-5: -Flu is caused by a virus that is spread from person to person. It causes seasonal epidemics each year.