Influenza (Flu) | Influenza (Flu) | CDC
Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Learn about flu, including symptoms, prevention methods, and treatment …
Influenza (flu) - Symptoms and causes - Mayo Clinic
5 days ago · Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from the …
Flu (Influenza): Causes, Symptoms, Types & Treatment
Oct 11, 2022 · What is the flu (influenza)? The flu is an illness you get from the influenza virus. It causes symptoms like head and body aches, sore throat, fever and respiratory symptoms, …
Mutated H3N2 flu virus is circulating - so should you buy a ... - BBC
2 days ago · Flu has come early this year and experts predict it could be a particularly nasty season because a new mutated version of the virus is circulating. The H3N2 "subclade K" is a …
What's making you sick? How to know if it's flu, cold or COVID-19
1 day ago · As flu season peaks, and with several other illnesses going around, here's how to stay safe and healthy this season.
Flu A Vs. Flu B: Which Is More Severe? Experts Weigh In - TODAY
Nov 26, 2025 · Learn the key symptom differences between flu strains, which is more dangerous, and how the vaccine protects you from both Flu A and B, per experts.
Flu season is just beginning, but doctors are already on high alert
Nov 24, 2025 · The flu has started spreading earlier than usual in some parts of the country, prompting concerns that cases could soon erupt as millions of Americans travel and gather for …
Influenza (seasonal) - World Health Organization (WHO)
Feb 28, 2025 · Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses. It is common in all parts of the world. Most people recover without treatment. Influenza …
Flu concerns grow in US as UK sees more cases among kids
2 days ago · Flu concerns grow in US as UK sees more cases among kids Some U.S. hospitals are starting to put seasonal visitor restrictions in place.
Influenza Surveillance | KDHE, KS
Influenza and Pneumonia frequently occur together during a flu season resulting in reporting of both on death certificates. View different influenza surveillance graphs and data.