The Department of Health and Environmental Control may provide home health services to those persons living in areas of the State in which adequate home health services are not available and may charge fees for such services. Home health services shall include care of the ill and disabled rendered at home including, but not limited to, bedside care, treatment and rehabilitation services. In order that it may provide such services, the department may employ the necessary personnel, including nurses, physical therapists, speech therapists, occupational therapists, medical social workers, home health aides, nutritionists, and supervisory personnel, and may purchase equipment and materials necessary to maintain an effective program. The Department shall, wherever possible, assist and advise nonprofit agencies or associations in the development of home health services programs and may enter into agreements with such agencies or associations specifying the type of assistance and advice it will provide.