Memory cells are responsible for the secondary response.
Regarding assertion and reason, select the right option
Assertion [A]: An individual cannot be infected by chicken pox for the second time in his/her life.
Reason [R]: Memory immune cells trigger immediate and complete secondary response during a second encounter.
Regarding the assertion and reason, select the right option.
Assertion [A]: An individual cannot be infected by the same strain of chicken pox for the second time in his/her life.