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Notice to Readers: Change in Source for Arboviral Disease Data Reported
to the National Notifiable Diseases Surveillance System
Beginning July 2, 2004 (representing data reported through week 25), the arboviral disease surveillance data reported to the National Notifiable Diseases Surveillance System (NNDSS) and displayed in
MMWR Tables I and II (1) will be
compiled solely from data reported to CDC's ArboNET system
(2) and no longer will reflect data reported to CDC via the National Electronic Telecommunications System for Surveillance (NETSS) (3). This change applies to all human cases of
nationally notifiable arboviral meningitis or encephalitis meeting the national surveillance case definition for illness caused by any of the following six arboviruses or arbovirus groups: California serogroup, eastern equine encephalitis, Powassan, St.
Louis encephalitis, West Nile, and western equine encephalitis
(4). The change also will apply to all yellow fever cases
(5). Timely reporting of domestic yellow fever cases is required by international health regulations, which stipulate that the United States must report all cases of suspected and confirmed yellow fever to the World Health Organization within 24 hours. This
change also will apply to finalized arboviral disease surveillance data collected in 2003 or later and published in the MMWR Summary of Notifiable Diseases---United
States.
Since 2000, state health departments have reported human and animal West Nile virus surveillance data to ArboNET (2,6--8) and human arboviral disease data to NETSS. This duplicate reporting became more labor intensive to state health departments and CDC as the incidence of West Nile virus disease increased and more staff time was devoted to reconciling discrepancies in data reported to the two systems.
In 2003, ArboNET was enhanced to enable reporting of the other five nationally notifiable domestic arboviral diseases, and the 2004 version will accept case reports of yellow fever, which is rare in the United States. ArboNET uses the data and transmission standards defined by the Public Health
Information Network (9) and will be incorporated as a module into
the National Electronic Disease Surveillance System (NEDSS)
(10). NEDSS provides a standards-based approach to
disease surveillance across multiple surveillance systems and, when fully implemented, will connect public health surveillance to the clinical information infrastructure. State health departments can report data to ArboNET via a web-based application, stand-alone software, or direct data messaging. Direct data messaging to ArboNET from states' surveillance information systems
is the preferred mechanism. Additional information is available from Richard Hopkins, telephone 404-498-6207,
e-mail rhopkins@cdc.gov; or Roy Campbell, telephone 970-221-6459, e-mail glcampbell@cdc.gov.
National Electronic Disease Surveillance System Working Group.
National Electronic Disease Surveillance System (NEDSS): a
standards-based approach to connect public health and clinical medicine. J Public Health Manag Pract 2001;7:43--50.
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Health and Human Services.References to non-CDC sites on the Internet are
provided as a service to MMWR readers and do not constitute or imply
endorsement of these organizations or their programs by CDC or the U.S.
Department of Health and Human Services. CDC is not responsible for the content
of pages found at these sites. URL addresses listed in MMWR were current as of
the date of publication.
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