What is the primary function of the World Health Organization (WHO)?

The primary function of the World Health Organization (WHO) is to direct and coordinate international health efforts. This organization plays a critical role in establishing global health standards, guiding national health policies, and providing technical assistance to countries. It works to combat health crises, such as pandemics, by facilitating collaboration among nations and organizations to address public health challenges effectively.

WHO's responsibilities include research and development, health system strengthening, and the dissemination of health information globally. By coordinating these efforts, WHO aims to improve health outcomes worldwide and promote health equity among populations. This function is essential for responding to global health threats and ensuring that all people have access to the health services they need.

The other options highlight important aspects of health but do not accurately represent the WHO's primary role. Regulating health insurance is typically within the purview of national governments, funding private healthcare is not a mandate of WHO, and while local health trends are important, the agency's focus is on international collaboration rather than local monitoring.