How do influenza viruses evade the host immune system?

A 2014 Vaccine poll reported that 43% of respondents would not get the vaccine because they believed it would cause influenza, but physicians are breaking down ... What Is Avian Influenza? Avian influenza, or “bird flu,” is a respiratory disease of birds caused by influenza A viruses. Wild birds, such as ducks, gulls, ... Influenza (flu) is a very contagious viral infection that affects the air passages of the lungs. It causes a high fever, body aches, a cough, and other ... Dog flu is a common term to describe a contagious upper respiratory infection in dogs caused by the canine influenza virus. The flu is primarily transmitted from person to person. If someone with the flu sneezes, coughs, or talks, droplets from them become airborne. If these droplets ... Flu viruses seem to spread most predominantly through aerosol infection where people become infected because of droplets in the air that contain the virus. The ... What are the different types of influenza? Influenza viruses are divided into three types designated as A, B, and C. ... Influenza viruses continually mutate or ... The flu is caused by a virus. Viruses are generally passed from person to person through the air when an infected person sneezes or coughs. But the virus can ... The deadliest pandemic of the 20th century. The 1918 influenza outbreak was caused by a new strain of the influenza A virus that started in birds (H1N1). After ... Feb 28, 2025 ... 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 ...