Individuals from a country where TB disease is more common.people who have had contact with someone who has TB disease.Those at higher risk for infection by TB bacteria include: The CDC recommend that certain people should test for TB infection because they are at higher risk. In this article, we discuss what the TB blood test is, how it works, and who may require the test. A healthcare provider will select which test is more suitable by considering factors such as the reason for testing, test availability, and cost.
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in 2020.Ī doctor can either use a blood or skin test to screen for TB. While a majority of cases occur in Asia and Africa, the Centers for Disease Control and Prevention (CDC) state that up to 13 million people in the United States are living with a latent TB infection, and doctors diagnosed 7,174 cases in the U.S. In 2018, roughly 23% of the world’s population had a TB infection, and evidence suggests it claims 1.5 million lives each year. According to the World Health Organization (WHO), TB is the 13th-leading cause of death globally and the second-leading cause of death by an infectious disease worldwide after COVID-19. TB is an infectious condition that usually affects the lungs but can damage other organs in the body. These tests use a sample of blood to check for an immune reaction to the bacteria. This is the bacteria that causes tuberculosis (TB). A TB blood test is a diagnostic test to detect the presence of Mycobacterium tuberculosis.
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