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CFS is a debilitating and complex disorder characterized by profound fatigue that is not improved by bed rest and that may be worsened by physical or mental activity. Symptoms affect several body systems and may include muscle or joint pain, impaired memory or mental concentration, and insomnia, which can result in reduced participation in daily activities. In some cases, CFS can persist for years.

Jenine K. Harris, PhD1, Raed Mansour, MS2, Bechara Choucair, MD2, Joe Olson3, Cory Nissen, MS3, Jay Bhatt, DO2 (Author affiliations at end of text).

Gayathri S. Kumar, MD1,2, Liping Pan, MD2, Sohyun Park, PhD2, Seung Hee Lee-Kwan, PhD1,2, Stephen Onufrak, PhD2, Heidi M. Blanck, PhD2 (Author affiliations at end of text).

Lisa A. Grohskopf, MD1, Sonja J. Olsen, PhD1, Leslie Z.

Edith N. Nyangoma, MD1,2, Carmen Sofia Arriola, PhD1,3, Jose Hagan, MD1,4, Christina Socias, DrPH1,5, Sara Tomczyk, MSc1,6, Louise Francois Watkins, MD1,6, Matthew Westercamp, PhD1,6, Curi Kim, MD7 (Author affiliations at end of text).

Ellen Andresen, MSc1, Oleg O. Bilukha, MD2, Zeray Menkir, MPH3, Megan Gayford, MPH1, Millicent Kavosa1, Mulugeta Wtsadik1, Gidraf Maina, MPH1, Mesfin Gose, MSc4, Irene Nyagucha, MSc5, Cyrus Shahpar, MD2 (Author affiliations at end of text).

Table 2 listed on pages 703–15 summarizes finalized data, as of June 30, 2014, from the National Notifiable Diseases Surveillance System (NNDSS) for 2013. These data will be published in more detail next year in the Summary of Notifiable Diseases — United States, 2013 (1). Because no cases were reported in the United States during 2013, the following diseases do not appear in these early release tables: anthrax; diphtheria; eastern equine encephalitis, nonneuroinvasive disease; poliovirus infection, nonparalytic; severe acute respiratory syndrome–associated coronavirus disease (SARS-CoV); smallpox; St.

Table I   Summary of provisional cases of selected notifiable diseases, United States, cumulative, week ending August 9, 2014 (32nd Week).

For Parents: What YOU Need to Know about Vaccinating or Choosing Not to

On August 5, 2014, this report was posted as an MMWR Early Release on the MMWR website (http://www.cdc.gov/mmwr).