Understanding Influenza: Causes and Symptoms
Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It can affect people of all ages and is especially common during the colder months. Unlike the common cold, the flu can lead to severe health complications, particularly in vulnerable populations such as young children, the elderly, pregnant women, and those with weakened immune systems. Causes of Influenza The flu is caused by two primary types of influenza viruses: Influenza A: Responsible for most flu pandemics and seasonal outbreaks. Influenza B: Typically, less severe but still a significant cause of seasonal flu cases. These viruses spread in the following ways...