Influenza (flu) - Symptoms and causes - Mayo Clinic
Jan 7, 2025 · Symptoms of the flu such as a sore throat and a runny or stuffy nose are common. You may also get these symptoms with other illness such as a cold. But colds tend to start slowly, and the flu tends to come on quickly, within two or three days …
Signs and Symptoms of Flu | Influenza (Flu) | CDC
Aug 26, 2024 · Symptoms. Flu can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly. People who have flu often feel some or all of these signs and symptoms: fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness)
Type A Influenza: Symptoms, Treatment, and Prevention - Healthline
Feb 23, 2023 · Type A influenza is a common infection that can cause widespread flu outbreaks. It can cause fever, body aches, chills, fatigue, and other symptoms. Influenza — also known as the...
Flu (Influenza): Causes, Symptoms, Types & Treatment
Oct 11, 2022 · 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, which can be severe. Flu is most common in winter months, when many people can get sick at once (an epidemic).
Influenza A vs. Influenza B - Cleveland Clinic Health Essentials
Jan 22, 2025 · For example, influenza A usually accounts for more flu cases and causes more severe illness than type B flu. For example, flu A accounted for 96% of flu cases reported in late 2024.
Different Types of Flu: Influenza A, B, C and more - WebMD
Jan 23, 2025 · Three types of flu viruses affect humans: types A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and...
Clinical Signs and Symptoms of Influenza | Influenza (Flu) | CDC
Aug 8, 2024 · Signs and Symptoms Uncomplicated influenza. Uncomplicated influenza illness is typically characterized by the abrupt onset of constitutional and upper respiratory tract signs and symptoms (e.g., fever, chills, myalgia, headache, malaise, …
Flu A vs. Flu B: What Are the Differences and Similarities?
Dec 30, 2023 · This article will discuss the similarities and differences between influenza type A and type B, including who they affect and the types of symptoms. It will also cover causes, diagnosis, treatment, and prevention.
Influenza (seasonal) - World Health Organization (WHO)
Symptoms of influenza usually begin around 2 days after being infected by someone who has the virus. Symptoms include: runny nose. The cough can be severe and can last 2 weeks or more. Most people recover from fever and other symptoms within a …
Influenza A vs. B: Differences, symptoms, treatment, and more
Jan 24, 2024 · There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious, and their symptoms are similar. Influenza, also known as...