Aldolase, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), and Parvovirus B19 serum IgM were elevated, but creatine kinase, extended myositis antibody panel, and 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA) reductase antibody were normal. Here, CRP is linked to myositis disease.