However, some people may develop TB disease weeks after exposure to the bacteria. Many people with latent TB never develop TB disease. People with TB disease can transmit TB to others. When active, the bacteria causes people to experience symptoms such as fever, pain in the chest, and coughing up blood or sputum. TB disease occurs when the immune system is unable to stop the bacteria from growing and multiplying. Without treatment, evidence suggests that 5–10% of people with a TB infection will develop TB disease. People with latent TB are more likely to progress to active infection within the first 2 years of infection. However, in other cases, especially among those at a higher risk, the bacteria may become active later and cause TB disease. In these people, the bacteria can remain inactive for a lifetime without causing disease. With latent TB, a person’s immune system can fight the infection, preventing the TB bacteria from growing. Not everyone with a TB infection becomes sick. There are two kinds of TB-related infections: inactive or latent TB infection and active or TB disease. Typically, a doctor will not recommend a TB test for people with a low risk of infection with TB bacteria. people who did not receive the correct treatment for TB in the past.those who contracted a TB infection in the last 2 years.However, certain individuals may be at a higher risk of developing TB disease, including: Many people with a latent TB infection may not progress to TB disease. infants, children, and teens in close contact with adults who are at increased risk for latent TB infection or TB disease.those who live or work in high-risk settings, such as correctional facilities, nursing homes, and homeless shelters.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. 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 chest x-ray will be recommended to make sure you do not have TB in your lungs.A TB blood test is a diagnostic test to detect the presence of Mycobacterium tuberculosis. TB infection can be treated to stop the germs from making you sick. If your TB test is positive, it means you have TB germs in your body. If you travel to a place where TB is common or notice symptoms similar to TB, speak to your doctor immediately. It is important to know that you may breathe in TB germs at some point in the future. If your test result is negative, it means you do not have any TB germs in your body. For fees and scheduling information, contact one of our clinic locations. Our Health Clinics also offer TB testing. Your doctor will take a blood sample from your arm for testing and you will be able to know your test results within few days. Your doctor can provide you with a TB test and any required follow-up The TB blood test is the recommended test for all individuals over the age of two. Children ages six months to two years receive a skin test. ![]() ![]() To determine if you have TB germs in your body, your doctor may give you a blood test. If you have a TB Risks you should consider being tested for TB
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