A 17-year-old man comes to the GP for a 2-day history of sore throat and fever. Physical examination shows cervical lymphadenopathy and tonsillar exudates. There is splenomegaly. Temperature is 102 F. Which of the following is most likely to be saliently visualized on a blood smear in this patient?
CD40-L-negative T cells
Reactive B cells
Reactive T cells
Viral-infected B cells
Viral-infected T cells
