Health insurance for the elderly, the poor, and the disabled is provided by

Medicare and Medicaid

Explanation:

Medicare and Medicaid are health insurance programs that help many people in disadvantaged economic situations, especially the elderly.

As we know, medical care and care are very expensive and difficult to pay for people who do not have enough financial resources. This care is even more difficult to be paid for by the elderly, since they are the part of the population that needs medical care, which is often constant. To help these poor elderly people who are unable to pay for the treatments they need, medicare and medicaid offer affordable and affordable plans that can help these people efficiently.