**Core Concept**
The question tests the understanding of **Hepatitis B vaccination** recommendations, specifically in **low endemic areas**. Hepatitis B vaccine is recommended for individuals at increased risk of acquiring **Hepatitis B virus (HBV)** infection.

**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general principles. Individuals at risk include those with high-risk behaviors, certain medical conditions, or occupations that expose them to blood and bodily fluids.

**Why Each Wrong Option is Incorrect**
**Option A:** Typically, healthcare workers are at risk due to occupational exposure.
**Option B:** Clients and staff of institutions for developmentally disabled persons may also be at risk.
**Option C:** Household contacts and sex partners of HBV-infected persons are at increased risk.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that **Hepatitis B vaccination** is recommended for all infants at birth, and for adults who are at increased risk of **HBV** infection, such as healthcare workers and individuals with multiple sex partners.

**Correct Answer:** Not provided, however, typically individuals such as those over 60 without other risk factors might not be prioritized for vaccination in low endemic areas if resources are limited.