What are the key takeaways about what causes influenza?

... Flu is a contagious viral infection of the nose and throat but is much more serious than the common cold. In mild cases, flu causes high fever, head and ... Jul 8, 2019 ... Equine influenza is a highly contagious respiratory disease of horses caused by subtypes of the influenza A virus. Dog flu is a common term to describe a contagious upper respiratory infection in dogs caused by the canine influenza virus. 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 ... Oct 2, 2017 ... The flu is a highly contagious disease caused by the influenza virus. The virus enters your body through your nose, eyes or mouth. Jun 1, 2007 ... Different patterns of influenza incidence in a total population, caused by different patterns of social interaction among four etiologically distinct age ... Sepsis is the body's extreme reaction to any type of infection. The flu, which is a viral infection, can cause secondary complications such as sepsis. Nov 28, 2017 ... Humans naturally infected with rhinovirus, which is the cause of the common cold, or the flu virus, which causes influenza, do not make good ... In this section · What is Influenza? · Influenza Symptoms · What Causes Influenza? · Influenza Testing and Diagnosis · Influenza Treatment ... Mar 7, 2025 ... Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. Its severity can vary from mild to ...