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e-Healthcare Leadership Awards


CONTINUING MEDICAL EDUCATION INFORMATION

Release Date: November 27, 2013
Last Reviewed: November 26, 2013
Expiration Date: November 27, 2014
Time to Complete Activity: 15 minutes

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This activity has been designed to meet the educational needs of physicians with an interest in Family Medicine, as well as other health care professionals.

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This activity will supply up-to-date news information to practicing clinicians which can be integrated into practice and aims to increase professional competency.

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  • Summarize the significance of the study in the context of clinical care.

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In accordance with Accreditation Council for Continuing Medical Education requirements on disclosure, faculty and contributors are asked to disclose any relationships with commercial interests associated with the area of medicine featured in the activity. These relationships are described below.

Neither Paradigm Medical Communications, LLC, staff nor HealthDay's medical writer have financial relationships to disclose.

Peer reviewer, Cynthia Haines, M.D., has the following financial relationships to disclose:

  • Salary/Ownership Interest (stocks, stock options, or other ownership interest) - GlaxoSmithKline (Spouse)
Spatiotemporal Analysis Emphasizes Value of Vaccination
Analysis of disease trends since 1888 shows 103 million cases of contagious disease prevented

WEDNESDAY, Nov. 27, 2013 (HealthDay News) -- Spatiotemporal data emphasizes the importance of vaccination programs, according to research published in the Nov. 28 issue of the New England Journal of Medicine.

Willem G. van Panhuis, M.D., Ph.D., from the University of Pittsburgh, and colleagues digitized all weekly surveillance reports of nationally notifiable diseases for U.S. cities and states published from 1888 to 2011 using data from the U.S. Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report and its precursor journals. A detailed analysis was conducted, focusing on eight vaccine-preventable contagious diseases.

Assuming that the difference in incidence rates before and after vaccine licensure was attributable solely to vaccination programs, the researchers estimate that vaccines prevented 103.1 million cases of contagious diseases since 1924. The number of cases prevented per disease varied with prevaccination incidence and the vaccine program duration, with the most cases prevented for diphtheria (about 40 million) followed by measles (about 35 million cases). In the years after vaccination, the proportion of cases of each disease prevented increased with varying rates. During the first five years after the measles vaccine licensure, 22.2 percent more cases were prevented each year. By year five after licensure, 95 percent of measles cases had been prevented, compared with year eight for polio, 19 years for diphtheria, and 17 years for pertussis. Since the 1980s, multiple resurgences of measles, rubella, mumps, and pertussis have occurred.

"Our analysis shows how high-resolution spatiotemporal data can be effectively used to illustrate these trends at the national and local levels and to inform public opinion about the necessity of vaccination programs," the authors write.

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November 1, 2014

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