The legal document of which ensures the privacy of a patient, also ensures the right of the caregivers are protected

Health Insurance Portability and Accountability Act of 1996  (HIPPA)

Explanation:

There is a federal law, called the Health Insurance Portability and Accountability Act of 1996 (HIPAA), that sets rules for health care providers and health plans about who can look at and receive your health information, including those closest to you – your family members and friends.

Public health measures such as pure food and water, and development of immunizations against many serious diseases such as polio and smallpox, coupled with enhanced economic conditions, are together credited with substantial reductions in the burden of infectious diseases.