Key characteristics of a public health approach include:

The key characteristics of a public health approach encompass promotion, prevention, and population-based strategies. This approach is grounded in the understanding that health issues tend to affect entire populations rather than just individuals. Therefore, strategies that focus on entire communities can lead to more effective public health outcomes.

Promotion and prevention initiatives are designed to enhance the health of the population by addressing risk factors before they lead to health problems. This encompasses a wide range of activities, such as educational campaigns, community health initiatives, and policy interventions that aim to improve the overall health environment. By employing population-based strategies, public health professionals can allocate resources more effectively, address health disparities, and tailor interventions to meet the specific needs of communities.

The other options either focus too narrowly on individual cases, ignore the prevention aspect, or rely on untested methods, which do not align with the established principles of public health. Therefore, promoting and implementing evidence-based population strategies is essential for effective public health practices.