Ihave a fever, my body aches, i had a headache, and my throat hurts do i have the flu? i live in an area known for the flu but i want to make sure i'm right before i start assuming. my temp went from 100.8 to 101.6 in less than 45 minutes.

Yes you do have the flu. You have the symptoms. I think

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.