Influenza symptoms, causes, and risk factors.

Around the world, influenza is one of the most prevalent seasonal diseases. It is commonly called as "the Flu" and is brought on by influenza virus types A and B. Numerous people, regardless of age or gender, are affected by influenza, one of the most contagious respiratory tract infections. However, the infection rate can be lowered, though, by receiving an annual influenza vaccine.
Influenza is caused by RNA-type viruses belonging to the Orthomyxoviridae family. Different antigenic characteristics of the viruses led to the development of influenza virus types A, B, and C. The influenza viruses A and B have previously been connected to several devastating epidemics. In addition, influenza virus C is the cause of sporadic to moderate upper respiratory infections.

Know About Influenza or Flu Symptoms
The Flu symptoms can appear suddenly. Individuals infected with the influenza virus exhibit symptoms that range from mild to severe, including
* Fever with chills
* Runny or stuffy nose
* Body pain
* Sore throat
* Extreme tiredness
* Headache
* Nausea and vomiting
If the infection is not treated, it may become more serious and cause problems with several organs, including the heart, lungs, brain, and liver, as well as death. Therefore, early identification and the start of pathogen-specific antiviral medication are essential for patient survival.

Who is at Risk of Influenza?
Whether a person is healthy or not, all people, regardless of age and gender, are susceptible to the Flu. However, certain people have a severe influenza risk. Older persons and people with any chronic illness, such as diabetes, asthma, or cardiovascular disease, are most affected and can develop complications. In addition, influenza is more likely to affect children and pregnant women.

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