This influenza virus is classified into the following categories: influenza A (H1N1) virus, influenza A (H3N2) virus, and one or two influenza B viruses, depending on the flu vaccine. Patients exhibit symptoms such as chills, cough, sore throat, running nose, body aches, headache, fatigue, and in some cases, vomiting and diarrhea; this is more common in children than adults. This flu is primarily transmitted by droplets from infected people. The virus enters the body through the person's eyes, mouth, and nose.
The risk of serious flu complications is higher in certain age groups, such as the elderly, young children, and people with certain medical conditions. It should be a habit to get vaccinated against this virus once a year as part of the best prevention strategy. This influenza virus is classified into the following categories: influenza A (H1N1) virus, influenza A (H3N2) virus, and one or two influenza B viruses, depending on the flu vaccine.
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