What is the role of indoor crowding in influenza transmission?

Dog flu is a common term to describe a contagious upper respiratory infection in dogs caused by the canine influenza virus. The flu is an infection of the nose, throat, and lungs. It spreads easily from person to person. This article discusses influenza types A and B. May 3, 2022 ... ... cause dull pain and discomfort everywhere. The good news ... What causes body aches when you're sick? When you have the flu, a common cold ... Bird flu, or avian flu, is an infectious type of influenza that spreads among birds. ... But there are 4 strains that have caused concern in recent years: H5N1 ... Feb 4, 2025 ... Pneumonia symptoms and causes · Bacterial pneumonia. · Viral pneumonia. Various viruses can cause this type, including the influenza virus, and it ... The 1918 influenza pandemic was the most severe pandemic in recent history. It was caused by an H1N1 virus with genes of avian origin. Avian influenza (AI) is caused by influenza type A viruses that historically have spread between wild birds (waterfowl and shorebirds) with occasional ... What causes influenza (flu)?. The flu is caused by the influenza virus. Common classes of the virus are type A and type B. Each type includes several ... Do other respiratory viruses circulate during the flu season? · What causes influenza (flu)? · What are the symptoms of influenza? · When can a person spread ... It's caused by a virus that spreads easily from person to person. Flu viruses usually cause the most illness during the colder months of the year. In the United ...