Which of the following core functions of epidemiology is a community health nurse engaged in by attending the American Public Health Association meeting?

The correct answer pertains to the core function of epidemiology known as linkages. When a community health nurse attends meetings such as those held by the American Public Health Association, they engage in building connections and relationships with other professionals, organizations, and stakeholders in the public health field. This networking fosters collaboration and resource sharing, which are essential for effective public health practices.

Linkages enable community health professionals to stay informed about the latest research, best practices, and policy developments, and they help create partnerships that can enhance community health initiatives. By attending such meetings, the nurse can establish valuable contacts that contribute to coordinated efforts in addressing health concerns and promoting wellbeing in the community.

The other options relate to different core functions of epidemiology. Surveillance focuses on the ongoing collection, analysis, and interpretation of health data to monitor health trends. Assessment involves the systematic evaluation of community needs and resources. Policy development is about formulating strategies and guidelines for public health action. However, the act of attending a conference particularly emphasizes the building of relationships and collaborations within the public health community, making linkages the most fitting choice.