A healthy weight, is a set BMI (Body mass index) for your age. The doctor uses a BMI chart to determine the best weight for you based on your height and age.
The best and most correct answer among the choices provided by the question is the first choice "flu"
The flu<span> is an acute respiratory illness caused by </span>influenza<span> viruses A or B . Most people who get the </span>flu<span> recover completely in 1 to 2 weeks, but some people develop serious and potentially life-threatening medical complications, such as pneumonia.</span>
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