Self-Study Modules on Tuberculosis_Epidemiology of Tuberculosis

Posted by e-Medical PPT Thursday, September 13, 2012
Overview
Epidemiology of TB
TB Case Rate
People at High Risk for Becoming Infected with M. tuberculosis
People at High Risk for Developing TB Disease after Infection with M. tuberculosis
Case Studies

Global Epidemiology of TB
TB is one of the leading causes of death due to infectious disease in the world
Almost 2 billion people are infected with M. tuberculosis
Each year about:
9 million people develop TB disease
2 million people die of TB

TB Reporting in U.S.
The Report of Verified Case of Tuberculosis (RVCT) is the national TB surveillance data collection form and is used for reporting all  verified TB cases to CDC
The 50 states, District of Columbia, New York City, Puerto Rico, and 7 other jurisdictions in the Pacific and Caribbean report TB cases to CDC
Health care providers are required by law to report TB cases to state or local health departments

U.S. TB Resurgence
Contributing factors:
Inadequate funding for TB control programs
HIV epidemic
Increased immigration from countries where TB is common
Spread of TB in homeless shelters and correctional facilities
Increase and spread of multidrug-resistant TB (MDR TB)

Continuing Challenges in TB Control
TB is reported in almost every state and is increasing in some areas
More than half of all TB cases in the U.S. are among foreign-born residents
TB affects racial/ethnic minorities disproportionately
MDR TB and extensively drug-resistant TB (XDR TB)

High-Risk Groups
High-risk groups can be divided into two categories:
High risk for becoming infected with M. tuberculosis
High risk for developing TB disease after infection with M. tuberculosis

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