What are the indicators used to assess the severity of an influenza season?

May develop after a child has a common cold caused by a virus. Conjunctivitis ... What causes Haemophilus influenzae? The H. influenzae bacteria live in ... 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 22, 2024 ... Summary. Some sexually transmitted infections can cause flu-like symptoms such as fever, sore throat, and swollen lymph nodes. These include ... Influenza is a communicable viral disease that affects the upper and lower respiratory tract. A wide spectrum of influenza viruses causes it. Dec 18, 2017 ... ... flu-related causes expire because the virus overwhelms the immune system; another third die from the immune response to secondary bacterial ... Oct 1, 2006 ... Colds and the flu cause many of the same symptoms. But colds are usually mild, while the flu tends to be more severe. The flu is a contagious respiratory illness caused by influenza viruses. The flu can cause mild to severe illness. If left untreated, it could lead to ... Seasonal influenza, commonly known as the "flu," is a contagious respiratory illness caused by influenza viruses, leading to annual outbreaks in the fall and ... Sep 14, 2023 ... Only influenza virus types A, B, and C cause the flu. Type A and B viruses cause the large seasonal outbreaks. Type C usually causes milder respiratory ... 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 ...