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>
I hope my answer has come to your help. God bless and have a nice day ahead!
I think one of them is B I’m not sure for the other
Answer:
I guess 3) cuz that's the appropriate one and correct one..
It’s true because it kills bacteria
