<human>:  What is the significance of the difference between Medicare and Medicaid?
<bot>: The main difference between Medicare and Medicaid is the eligibility requirements. Medicare is a federal program designed to provide health insurance for those 65 or older and those with certain disabilities, while Medicaid is a state and federal program designed to provide health coverage for low-income individuals and families. Medicare is available nationwide and covers a variety of health services, while Medicaid is administered differently by each state and covers different services. Furthermore, Medicaid has more specific eligibility requirements than Medicare, such as income and disability status. The significance of the difference between Medicare and Medicaid is that Medicare provides a more universal level of health care coverage while Medicaid serves as a more tailored supplement to the needs of certain individuals and families.