Introduction:
Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. This article provides an overview of the seasonal flu virus, its characteristics, transmission, and impact on public health. Understanding the basics of influenza is essential for taking preventive measures and seeking appropriate care when needed.
Key Points:
Types of Influenza Viruses: The article discusses the different types of influenza viruses (A, B, C) and their subtypes, which contribute to seasonal flu outbreaks.
Mode of Transmission: The primary modes of flu transmission, including respiratory droplets and surface contamination, are explained.
Common Symptoms: Typical flu symptoms, such as fever, cough, sore throat, body aches, and fatigue, are outlined.
Seasonal Flu vs. Pandemic Flu: The article distinguishes between seasonal flu, which occurs annually, and pandemic flu, which results from new influenza viruses that spread globally.
Vaccination and Prevention: The importance of vaccination and preventive measures to reduce flu transmission is highlighted.