Overview
The Unit of Care: Person, Family, and Population
Community health nursing begins with the person in context.
Community health nursing begins with the person in context. The nurse may assess one client in a home, but the assessment also asks what is happening in the household, building, workplace, school, or neighbourhood that could affect others. This dual focus changes clinical reasoning. A client with poorly controlled diabetes may need medication review and foot assessment, while several clients from the same housing complex with similar gastrointestinal symptoms may signal a shared exposure or communicable-disease cluster. The first problem is individual care; the second requires population surveillance and coordinated public-health action. Community health nurses provide health promotion, disease prevention, health assessment, and nursing care in homes, community programs, and public-health settings. Their work includes direct care, case finding, screening, education, follow-up, care coordination, and evaluation of whether an intervention is reaching the people who need it. The nurse does not treat “the community” as a single patient. Population-level decisions still depend on accurate observations from individuals and families. Conversely, an individual plan will fail if it ignores transportation, housing, food access, language, income, safety, or the availability of a...