**Core Concept**
Maurer's dots are a characteristic histopathological finding associated with certain viral infections. They represent the early stages of viral replication within the host cells, specifically the formation of viral inclusion bodies.

**Why the Correct Answer is Right**
Maurer's dots are seen in infections caused by the Varicella-Zoster virus, which is responsible for chickenpox and shingles. The virus replicates within the host cells, leading to the formation of viral inclusion bodies, which are referred to as Maurer's dots. These dots are composed of viral antigens and are a key feature of the histopathological diagnosis of varicella-zoster infection.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because Maurer's dots are not associated with Herpes Simplex virus infections, which have different histopathological features such as multinucleated giant cells.
**Option B:** Incorrect because Cytomegalovirus (CMV) infections are characterized by the presence of cytomegalic cells, which have large nuclei and intranuclear inclusions, but not Maurer's dots.
**Option C:** Incorrect because Rubella virus infections do not typically exhibit Maurer's dots in histopathological examination.

**Clinical Pearl / High-Yield Fact**
Maurer's dots are an important diagnostic feature of varicella-zoster infection, and their presence can help differentiate this condition from other viral infections that may present with similar clinical symptoms.

**Correct Answer:** D. Varicella-Zoster virus.