The 8-year-old child in Question 2 had an illness with more than one phase. Which symptoms coincide with the second phase of the illness?
(A) Sore throat
(B) Skin rash
(C) Headache
(D) Diarrhea
(E) Cough

Question 2

An 8-year-old child recently had erythema infectiosum. Her 33-year-old mother subsequently developed arthralgia followed by painful arthritis with swelling in the small joints of both hands. In addition to the apparent tropism for joints, human parvovirus B19 is highly tropic for which cell type?
(A) CD4 T lymphocytes
(B) Renal tubule cells
(C) Erythroid cells
(D) Glial cells
(E) Peyer patches