This term is defined in the glossary. Despite more than a decade of extensive research, the cause of CFS remains unknown and no diagnostic tests exist. Effective prevention and control thus remains elusive. CDC will ultimately use information from the first four objectives to develop control and prevention measures.
Integration is achieved by using subjects from population surveys to address all objectives.
Interview data from fatigued and non-fatigued respondents are used to describe the epidemiology of fatiguing illnesses in the population, to identify possible risk factors, and to explore empirically derived CFS case definitions. Finally, fatigued and non-fatigued subjects who have been interviewed are followed over time to estimate the incidence of CFS and describe its clinical parameters and natural history. Surveillance Program Wichita Surveillanc . CDC estimates the magnitude of CFS as a health problem in the United States through surveillance. At present, CDC conducts CFS surveillance activities in Wichita.