Level 1 is in the eye which is the first organ to fight the virus in

Level 2 is in the mouth which is the second organ to fight the virus in

Level 3 is in the lungs which is the third organ to fight the virus in

Level 4 is in the stomach which is the fourth organ to fight the virus in

Level 5 is in the heart which is the fifth organ to fight the virus in

Level 6 is not available yet