Respuesta :
Tracy was able to recover due to the antibodies produced in her body to combat the first case of chicken pox she had. Antibodies are a blood protein produced in response to a specific antigen, and fall into the third line of defense category, specific resistance.
Answer:
Tracy suffered from chickenpox in her childhood. At the age of 25, she gets it again. However, this time she recovers with minimal treatment or medication. This was possible due to the memory cells produced by the adaptive immune response.
Explanation: