Notice to Readers Changes in National Notifiable Diseases Data Presentation

This issue of MMWR incorporates modifications to Tables I and II, Cases of Notifiable Diseases, United States. This year, the modifications will add diseases recently designated nationally notifiable by the Council of State and Territorial Epidemiologists, in conjunction with CDC, and highlight diseases commonly transmitted through food and water. As of January 1, 1999, 56 infectious diseases were designated as notifiable at the national level (Table 1). Except where otherwise indicated, the data presented in the notifiable disease tables are transmitted to CDC through the National Electronic Telecommunications System for Surveillance (NETSS).

For the infectious diseases added to the list of nationally notifiable diseases that were reportable in less than 40 states in 1998, data will now be included in Table I; these diseases are cyclosporiasis, human granulocytic ehrlichiosis, and human monocytic ehrlichiosis. Because not all nationally notifiable diseases are reportable in every state or territory, the reported numbers of cases of some diseases in Table I represent only the totals from states or territories in which the diseases are reportable.

Additions to Table II highlight the continuing or increasing role of foodborne pathogens in human illness. Cumulative totals of the number of salmonellosis, shigellosis, and cryptosporidiosis cases are presented by state and territory. To assist in characterizing the continuing burden of salmonellosis and shigellosis, data about such infections are presented from the Public Health Laboratory Information System (PHLIS) as well as NETSS. Laboratory-confirmed Salmonella and Shigella cases reported to PHLIS are based on state of report (rather than state of residence) and the date the specimen was collected (rather than MMWR week); however, reporting of such cases will be delayed until confirmatory laboratory testing is completed. In addition to current year cumulative totals provided for Salmonella, Shigella, and Escherichia coli O157:H7 cases from both NETSS and PHLIS, cumulative prior year totals by state and territory also are provided from both systems. The final addition to Table II is prior year cumulative totals by state and territory for cases of animal rabies.

Reported by: Council of State and Territorial Epidemiologists. Div of Public Health Surveillance and Informatics, Epidemiology Program Office, CDC.

TABLE 1. Infectious diseases designated as notifiable at the national level - United
States, 1999
------------------------------------------------------------------------
Acquired immunodeficiency            Legionellosis
  syndrome (AIDS)                    Lyme disease
Anthrax                              Malaria
Botulism                             Measles
Brucellosis                          Meningococcal disease
Chancroid                            Mumps
Chlamydia trachomatis,               Pertussis
  genital infections                 Plague
Cholera                              Poliomyelitis, paralytic
Coccidioidomycosis (regional)        Psittacosis
Cryptosporidiosis                    Rabies, animal
Cyclosporiasis                       Rabies, human
Diphtheria                           Rocky Mountain spotted fever
Ehrlichiosis, human                  Rubella
granulocytic
Ehrlichiosis, human monocytic        Rubella, congenital syndrome
Encephalitis, California serogroup   Salmonellosis
Encephalitis, eastern equine         Shigellosis
Encephalitis, St. Louis              Streptococcal disease,
Encephalitis, western equine           invasive, group A
Escherichia coli O157:H7             Streptococcus pneumoniae,
Gonorrhea                              drug-resistant invasive disease
Haemophilus  influenzae,             Streptococcal toxic-shock syndrome
  invasive disease                   Syphilis
Hansen disease (leprosy)             Syphilis, congenital
Hantavirus pulmonary syndrome        Tetanus
Hemolytic uremic syndrome,           Toxic-shock syndrome
  post-diarrheal                     Trichinosis
Hepatitis A                          Tuberculosis
Hepatitis B                          Typhoid fever
Hepatitis C/non A, non B             Varicella deaths
HIV infection, pediatric             Yellow fever
------------------------------------------------------------------------

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