Which of the following is NOT a partner of the CDC?

The correct choice highlights that private weapons manufacturers are not considered partners of the Centers for Disease Control and Prevention (CDC). The CDC's mission focuses on public health and safety, which includes preventing disease, promoting health, and guiding public health policies. Their partnerships typically involve organizations that are aligned with these goals, such as state and local health departments, non-governmental organizations focused on health advocacy, and national medical associations that contribute to public health initiatives and research.

In contrast, private weapons manufacturers do not align with the CDC's core mission of promoting health and preventing disease. Engagement with entities that produce weapons can be seen as conflicting with public health objectives, especially considering how weapons can impact community safety and health outcomes. Therefore, they do not form partnerships with the CDC in a manner similar to the other listed entities, which directly contribute to health promotion and disease prevention efforts.