Flu has a number of significant symptoms, which may be more adverse and often leading to further complications in older people and those with compromised immune systems.
On the contrary, healthy and younger people may show less aggravated symptoms (Cohen et al, 2010). The most severe and significant symptoms are a high fever that can go as high as 103 degrees, runny nose, cold and cough. Other noticeable symptoms are vomiting, nausea tiredness, muscle pains, and headaches. If the symptoms are left untreated for long, the condition can get complicated and lead to pneumonia (Brundage & Shanks, 2008).
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