Flu. Cold. Strep Throat.

Flu (influenza) is one of the most serious and widespread diseases. The World Health Organization (WHO) estimates that seasonal flu causes 3 million to 5 million cases of severe illness every year.

Doctors constantly encourage people to get vaccinated to prevent the flu and flu-associated complications.

The articles in this section will provide detailed information about flu symptoms, how to tell the difference between the common cold and COVID-19, flu-related complications, and the best ways to prevent the disease.