Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health, 2000
Go to full issue: DCN, July/August 2001: Volume 31, Number 5 (PDF: 171KB/20 pages)
Assessment is a core public health function, and surveillance for communicable diseases is one type of assessment activity that is continuous over time. Epidemiologic surveillance is the systematic collection, analysis, and dissemination of health data for the planning, implementation, and evaluation of public health programs. The Minnesota Department of Health (MDH) collects disease surveillance information on certain communicable diseases for the purposes of determining disease impact, assessing trends in disease occurrence, characterizing affected populations, prioritizing disease control efforts, and evaluating disease prevention strategies. In addition, prompt surveillance reports allow outbreaks to be recognized in a timely fashion, when control measures are likely to be most effective in preventing additional cases.
In Minnesota, communicable disease reporting is a centralized system whereby reporting sources submit standardized report forms to the MDH. These reports are monitored daily by individual program staff. Cases of disease are reported pursuant to Minnesota Rules Governing Communicable Diseases (MN Rules 4605.7000-4605.7800). The Commissioner of Health has determined that the diseases listed in Table 1 must be reported to MDH. As stated in these rules, physicians, health care facilities, medical laboratories, veterinarians, and veterinary medical laboratories are required to report these diseases. These reporting sources may designate an individual within an institution to perform routine reporting duties (e.g., an infection control practitioner for a hospital). Data maintained by MDH are private and are protected under the Minnesota Government Data Practices Act (Section 13.38).
Since April 1995, MDH has been participating as one of the Emerging Infections Program (EIP) sites funded by the Centers for Disease Control and Prevention (CDC) and through this program has implemented active hospital- and laboratory-based surveillance for several conditions, including selected invasive bacterial diseases and food-borne diseases. Isolates for pathogens associated with these diseases are required to be submitted to MDH (indicated in Table 1). The MDH laboratory performs state-of-the-art microbiologic evaluation of isolates, such as pulsed-field gel electrophoresis, to determine whether isolates of selected pathogens (e.g., enteric pathogens such as Salmonella and Escherichia coli O157:H7, and invasive pathogens such as Neisseria meningitidis) are related and therefore may be associated with a common source. In addition, testing of submitted isolates allows detection and monitoring of antimicrobial resistance, which continues to be an increasing problem with many pathogens.
Table 2 summarizes the number of cases of selected communicable diseases reported to MDH during 2000 by district of the patient's residence. Pertinent observations for some of these diseases are discussed below. A summary of influenza surveillance data is included. However, these data do not appear in Table 2 because the influenza surveillance system is based on reported outbreaks rather than individual cases, and the data pertain to the 2000-2001 influenza season rather than the 2000 calendar year.
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