Type A Influenza: Symptoms, Treatment, and Prevention
Feb 23, 2023 · Type A influenza can be dangerous and is known to cause outbreaks and increase your risk of disease. Unlike a type B infection, type A viruses are categorized by subtypes and strains.
Types of Influenza Viruses | Influenza (Flu) | CDC
Sep 18, 2024 · There are four types of influenza viruses: A, B, C, and D. Influenza A and B viruses cause seasonal epidemics of disease in people (known as flu season) almost every winter in the United States.
Influenza A virus - Wikipedia
Influenza A virus (IAV) is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. [1] It is a pathogen with strains that infect birds and some mammals, as well as causing seasonal flu in humans. [2]
Influenza (flu) - Symptoms and causes - Mayo Clinic
Jan 7, 2025 · Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from the "stomach flu" viruses that cause diarrhea and vomiting. Most people with the flu …
Influenza A: Symptoms, Treatment, and More - Health
Nov 25, 2024 · Influenza A is the most common type of flu virus that causes seasonal epidemics of the flu during the colder months. This illness is highly contagious and causes symptoms like fever, cough,...
Influenza A: Symptoms, treatment, and prevention - Medical …
Oct 15, 2019 · Influenza A is a common type of the flu virus. Here, we discuss its symptoms and how to treat and prevent this highly contagious virus.
Different Types of Flu: Influenza A, B, C and more - WebMD
Sep 9, 2023 · There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers...
Influenza (Seasonal) - World Health Organization (WHO)
Oct 3, 2023 · Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses. It is common in all parts of the world. Most people recover without treatment.
Influenza - National Institute of Allergy and Infectious Diseases …
Dec 31, 2024 · Seasonal influenza, or flu, is a highly contagious respiratory illness caused by influenza viruses that infect the nose, throat and lungs. The two main types of influenza viruses—types A and B—are the viruses that typically spread in people (human influenza viruses) and cause annual flu outbreaks.
Influenza (Flu) | Influenza (Flu) | CDC - Centers for Disease …
Learn about the current flu season and find resources related to flu surveillance and past seasons.