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Notice to Readers: Changes in National Notifiable Diseases List and Data Presentation

This issue of MMWR incorporates modifications to Tables I and II Cases of Notifiable Diseases, United States. This year, the modifications add diseases designated nationally notifiable by the Council of State and Territorial Epidemiologists (CSTE) in conjunction with CDC. As of January 1, 2003, three disease have been added to the list of nationally notifiable diseases: chronic hepatitis B infection, hepatitis C virus infection (past or present), and varicella (Table 1). Incidence data for chronic hepatitis B infection and hepatitis C virus infection (past or present) will not be presented in the weekly MMWR tables pending evaluation of the data by the Division of Viral Hepatitis, National Center for Infectious Diseases. Except where indicated, National Notifiable Diseases Surveillance System (NNDSS) data presented in the notifiable disease tables are transmitted to CDC through the National Electronic Telecommunications System for Surveillance (NETSS). Additional information about nationally notifiable diseases, NNDSS, NETSS, and CSTE is available at http://www.cdc.gov/epo/dphsi/phs.htm and http://www.cste.org.

Modifications to Table I

Provisional incidence data for diseases with annual incidence of <300 cases in the United States or diseases that are designated as notifiable in <25 states are presented in Table I. Measles (total), mumps, rubella, and congenital rubella syndrome data have been added to Table 1. A Table I footnote will specify the total number of indigenous and imported measles cases comprising total reported measles incidence.

Modifications to Table II

Provisional incidence data for diseases with annual incidence of >300 cases in the United States and diseases that are designated as notifiable in >25 states are presented in Table II. For clarity of notifiable disease data presentation, if any distinct manifestation of a disease meets the Table II criteria, all distinct disease conditions related to Table II-eligible diseases will be included in Table II. As of January 6, 2003, three diseases have been added to Table II: coccidioidomycosis, West Nile encephalitis/meningitis, and varicella. Acute hepatitis C virus infection data are presented as a separate category, and acute hepatitis non-A, non-B incidence data are no longer presented in Table II.

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