Skip Navigation LinksSkip Navigation Links
Centers for Disease Control and Prevention
Safer Healthier People
Blue White
Blue White
bottom curve
CDC Home Search Health Topics A-Z spacer spacer
Blue curve MMWR spacer

Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: Type 508 Accommodation and the title of the report in the subject line of e-mail.

Notice to Readers: Pre-Beta Version of Open Source Epi Info Released

CDC has released a pre-beta version of the Epi Info™ Community Edition for developers and information technology professionals who wish to contribute enhancements and features. This release represents the beginning of a rewrite of the Epi Info suite of tools into the development environment. CDC is emphasizing increased collaboration and open development methods to increase the pace of innovation in public health informatics. The transition to open source is expected to benefit the global community by enabling Epi Info projects to receive broader, worldwide participation and open collaboration.

Epi Info Community Edition and its source code are available at This release includes support for the nonproprietary database format, MySQL, compatible on Windows and Linux operating systems, and the more common formats of Microsoft Access and Microsoft SQL Server. A stable distribution of Epi Info Version 3.5.1 remains available at Additional information about either distribution is available via the Epi Info help desk at

Use of trade names and commercial sources is for identification only and does not imply endorsement by the U.S. Department of 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.

All MMWR HTML versions of articles are electronic conversions from typeset documents. This conversion might result in character translation or format errors in the HTML version. Users are referred to the electronic PDF version ( and/or the original MMWR paper copy for printable versions of official text, figures, and tables. An original paper copy of this issue can be obtained from the Superintendent of Documents, U.S. Government Printing Office (GPO), Washington, DC 20402-9371; telephone: (202) 512-1800. Contact GPO for current prices.

**Questions or messages regarding errors in formatting should be addressed to

Date last reviewed: 12/10/2008


Safer, Healthier People

Morbidity and Mortality Weekly Report
Centers for Disease Control and Prevention
1600 Clifton Rd, MailStop E-90, Atlanta, GA 30333, U.S.A


Department of Health
and Human Services