Wash your hands well with soap and warm water for at least 20 seconds.
Drain tuna.
Drain and rinse beans.
Drain corn. Add tuna, beans, and corn to a medium mixing bowl.
Add mayonnaise, taco seasoning and lime juice to tuna mixture and stir to combine.
Place 8 tortillas on a flat surface. Add lettuce, tuna mixture, cheese on tortilla and top with salsa. Roll tortilla to hold tuna mixture. Cut in half. Repeat for each tortilla.