Multidrug-Resistant Tuberculosis in U.S.-Bound Immigrants and Refugees.

Approximately two-thirds of new cases of tuberculosis (TB) in the United States are among non-U.S.-born persons.

Implementation of new TB screening requirements for U.S.-bound immigrants and refugees - 2007-2014.

For more than two decades, as the number of tuberculosis (TB) cases overall in the United States has declined, the proportion of cases among foreign-born persons has increased. In 2013, the percentage of TB cases among those born outside the country was 64.6%.

Disease surveillance among newly arriving refugees and immigrants--Electronic Disease Notification System, United States, 2009.

Problem/condition: Approximately 450,000 legal permanent immigrants and 75,000 refugees enter the United States annually after receiving required medical examinations by overseas panel physicians (physicians who follow the CDC medical screening guidelines provided to the U.S. Department of State).

Estimating the impact of newly arrived foreign-born persons on tuberculosis in the United States.

Background: Among approximately 163.5 million foreign-born persons admitted to the United States annually, only 500,000 immigrants and refugees are required to undergo overseas tuberculosis (TB) screening. It is unclear what extent of the unscreened nonimmigrant visitors contributes to the burden of foreign-born TB in the United States.

Overseas screening for tuberculosis in U.S.-bound immigrants and refugees.

Background: In 2007, a total of 57.8% of the 13,293 new cases of tuberculosis in the United States were diagnosed in foreign-born persons, and the tuberculosis rate among foreign-born persons was 9.8 times as high as that among U.