Hi reader, Influenza is often underestimated, even though this disease can be very dangerous, especially for vulnerable groups such as infants and young children. Although often mistaken for the common cold, influenza has its own characteristics. Seasonal influenza, or commonly called the flu, is an acute respiratory infection caused by the influenza virus . This disease is common throughout the world and most people can recover without special treatment. The flu virus spreads easily through coughing or sneezing. The best way to prevent it is by vaccination. Symptoms of the flu include sudden fever, cough, sore throat, body aches, and fatigue. Treatment generally aims to relieve symptoms. Flu sufferers are advised to rest and drink plenty of fluids. Most people will recover within a week, but medical treatment may be needed for severe cases or people with high-risk factors. Variants of Types & Causes of Influenza There are four types of influenza viruses: A, B, C, and D. Infl...