What are the potential benefits of intranasal influenza vaccines?

Influenza (or “flu”) is a respiratory infection caused by influenza virus. Influenza outbreaks happen every year, usually between November and April. 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 ... In this section · What is Influenza? · Influenza Symptoms · What Causes Influenza? · Influenza Testing and Diagnosis · Influenza Treatment ... Flu viruses seem to spread most predominantly through aerosol infection where people become infected because of droplets in the air that contain the virus. The ... 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. May develop after a child has a common cold caused by a virus. Conjunctivitis ... What causes Haemophilus influenzae? The H. influenzae bacteria live in ... Jan 14, 2025 ... Bird flu, also known as avian influenza A (H5N1) or highly pathogenic avian influenza (HPAI), is caused by a virus that can cause serious illness and death in ... ... 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 ... Do other respiratory viruses circulate during the flu season? · What causes influenza (flu)? · What are the symptoms of influenza? · When can a person spread ... 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 ...