In chronic granulomatous disease (CGD): the best method to detect and follow Up deep-seated infection is

(A). The erythrocyte sedimentation rate (ESR) can be quite helpful, If the child does not have  a deep-seated infection, the ESR will be normal or will normalize within several days with standard management. However,if it doesnot,a search for deep tissues is warranted, as is consideration of empiric antibiotics.