social insurance - government provision for unemployed or injured or aged; financed by contributions from employers and employees as well as by government revenue

Medicare - health care for the aged; a federally administered system of health insurance available to persons aged 65 and over

Medicaid - health care for the needy; a federally and state-funded program

primary health care - health care that is provided by a health care professional in the first contact of a patient with the health care system

care, tending, attention, aid - the work of caring for or attending to someone or something; "no medical care was required"; "the old car needed constant attention"