Where can people find reliable information about influenza?

Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. It can cause mild to severe illness ... What Causes Influenza? Influenza is caused by several different viruses that are in the influenza family. Each year, flu season is defined by a few ... Jan 14, 2025 ... It's a very rare event, but we know that reassortment has resulted in the influenza viruses that have caused the last three human pandemics. The flu is caused by a virus. Viruses are generally passed from person to person through the air when an infected person sneezes or coughs. But the virus can ... The inflammation is caused by your immune system's response to a viral infection. “Some of the most common viruses associated with stomach flu are rotavirus and ... Jun 14, 2022 ... Each year, millions of people suffer from seasonal influenza, which is often called the flu. Flu is a respiratory illness caused by viruses that ... 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 ... May develop after a child has a common cold caused by a virus. Conjunctivitis ... What causes Haemophilus influenzae? The H. influenzae bacteria live in ... May 1, 2023 ... Infectious Agent. Influenza is caused by infection of the respiratory tract with influenza viruses, RNA viruses of the Orthomyxovirus genus. Jan 4, 2023 ... Seasonal influenza (flu) season is here. There are four types of influenza viruses: A, B, C, and D. Influenza A and B viruses cause seasonal ...