How to solve microbial spoilage problems in processed foods

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.   

You need to put a picture of what you want answered

That’s what i was going to say.

Answer lack of education;                   lack of protection                  lfailure of getting tested