After earning his master's degree, Cordero joined the Centers for Disease Control and Prevention as an Epidemic Intelligence Service officer. He spent 15 years working with the Birth Defects Branch on children's health and disability issues. Together with CDC, Cordero initiated a multi-state collaborative study to identify factors that may put children at risk for autism spectrum disorders and other developmental disabilities. Cordero was quoted as saying In 1994, Cordero was appointed deputy director of the National Immunization Program, where he made important and long-lasting contributions to one of the nation's most successful public health programs. The Children's Health Act of 2000 created the National Center on Birth Defects and Developmental Disabilities in Atlanta, Georgia and, in 2001, Cordero was both a founding member and its first director. NCBDDD is a leading international institution devoted to research and prevention of birth defects and developmental disabilities, and the promotion of health amongst people of all ages who are living with disabilities.
Eradication of Rubella
, is a major cause of birth defects that can be prevented through vaccination. Cordero, whose work has been published in many national and international journals, has promoted the eradication of the disease. He has also promoted research to determine the causes of birth defects and developmental disabilities, and has promoted efforts to prevent serious birth defects. He is a strong supporter of programs that promote wellness of persons with disabilities. Cordero served as President of the Teratology Society, a professional research society devoted to the prevention of birth defects.
Legacy
Cordero, who worked for 27 years at the CDC and served as an Assistant Surgeon General of the Public Health Service, is the current Director of the Department of Epidemiology and Biostatistics at the University of Georgia's College of Public Health, and former Dean of the Graduate School of Public Health at the University of Puerto Rico. His work has been published in many national and international scientific and medical journals. Cordero is affiliated with the Mount Sinai Medical Center of New York City. In 2017, Cordero was awarded the Sedgwick Memorial Medal from the American Public Health Association. The "Sedgwick Memorial Medal", is the APHA's highest honor awarded for distinguished service and advancement of public health knowledge and practice.