Division of Vector-Borne Infectious Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Public Health Service, US Dept of Health and Human Services, PO Box 2087, Fort Collins, CO 80522, USA. dgubler@cdc.gov
Dengue fever/dengue hemorrhagic fever is now one of the most important public health problems in tropical developing countries and also has major economic and societal consequences.