A child receives several vaccinations before the start of the school year. Shortly thereafter, he
experiences a fever, joint pains, a rash and itching. The parents insist on a blood test, which
reveals multinucleated giant cells with eosinophilic cytoplasmic and nuclear inclusion bodies. This is most likely a reaction to which vaccine?
A. Flu vaccine
B. Measles vaccine
C. Meningitis vaccine
D. Pneumococcal vaccine
E. Tetanus vaccine