How severe can influenza symptoms be?

Feb 12, 2018 ... We all know the symptoms of influenza infection include fever, cough, sore throat, muscle aches, headaches and fatigue. But just what causes all the havoc? May develop after a child has a common cold caused by a virus. Conjunctivitis ... What causes Haemophilus influenzae? The H. influenzae bacteria live in ... Aug 10, 2023 ... A life-threatening blood clotting disorder can be caused by an infection with adenovirus, one of the most common respiratory viruses in pediatric and adult ... The 1918 influenza pandemic was the most severe pandemic in recent history. It was caused by an H1N1 virus with genes of avian origin. Jun 22, 2024 ... Summary. Some sexually transmitted infections can cause flu-like symptoms such as fever, sore throat, and swollen lymph nodes. These include ... Oct 12, 2010 ... The disease, caused by a new variant of the influenza virus, was spread in part by troop movements during World War I. Though the flu pandemic ... 2 days ago ... Influenza A is an acute respiratory viral infection (ARI), a respiratory illness caused by infection with the influenza A virus H1N1, ... 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. 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 ... Avian influenza (H5N1 HPAI), also known as "bird flu," is a highly infectious, systemic disease of poultry caused by an Orthomyxovirus of the genus ...