H3N2 influenza is a strain of the flu virus that can cause a range of symptoms. While many of these symptoms are similar to those caused by other strains of the flu, there are some key differences to be aware of.

The symptoms of H3N2 can include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, and fatigue. Some individuals may also experience nausea, vomiting, and diarrhoea, although these symptoms are more common in children than in adults.

One of the key warning signs that someone may have contracted H3N2 is the severity and duration of their symptoms. H3N2 is known to cause more severe symptoms than some other strains of the flu, and these symptoms may last longer. In some cases, H3N2 can lead to complications such as pneumonia, bronchitis, and sinus and ear infections.

It is important to note that not everyone with H3N2 will experience all of these symptoms, and some individuals may have mild or no symptoms at all. However, if you or someone you know is experiencing flu-like symptoms, it is important to seek medical attention, especially if symptoms are severe or do not improve after a few days.

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