What is the indication if someone is thalasemia ?

Thalassemia doesn't have a specific symptom or indication, it varies based on the severity of the sickness but the most common symptoms are: iron overload, increased risk of infection, and a decrease in growth.

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.   

It's called the nephron.