Can influenza have long-term effects?

Influenza is a communicable viral disease that affects the upper and lower respiratory tract. A wide spectrum of influenza viruses causes it. Four themes were identified as causes of vaccine hesitancy comprising: concerns over safety, lack of trust, lack of need for vaccination and cultural reasons. Jan 15, 2019 ... Colds and the flu are both caused by viruses, but not the same virus. They have similar symptoms and both affect the respiratory system. Mar 22, 2024 ... Cat flu ... Cat flu is a virus that, much like human flu, can leave them with a fever and runny nose and eyes. Cat flu is not usually serious in ... Influenza viruses cause the flu. There are four types of flu viruses: influenza A, B, C and D.6 The viruses tend to change in two ways: antigenic drift and ... Sep 17, 2024 ... Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. View All · For Everyone. This fact sheet will look at zoonotic influenza (human infections) caused by influenza viruses of avian origin. Since 1997, 2,723 cases of zoonotic human ... Avian influenza, commonly known as “bird flu,” is a highly contagious disease caused by certain influenza A viruses. These viruses mainly infect and spread ... 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 ... 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 ...