Unknown Elevated IgG and IgM antibody titers to parvovirus suggest a diagnosis of which one of the following? A Acute Lyme disease B Fifth disease C Possible hepatitis B infection D Possible subacute sclerosing pan encephalitis 💡 Explanation Elevated IgG and IgM antibody titers to parvovirus suggest a diagnosis of which one of the following? ✓ Correct Answer: B. Fifth disease