Is tuberculosis common in poor countries?
The association between poverty and TB is well-recognized, and the highest rates of TB were found in the poorest section of the community (10). TB occurs more frequently among low-income people living in overcrowded areas and persons with little schooling (11).
Why is tuberculosis more common in poor countries?
Poverty facilitates the transmission of Mycobacterium tuberculosis, primarily through 1) its influence on living conditions, such as people living in overcrowded and poorly ventilated homes, 2) prolonged diagnostic delay and 3) increased vulnerability due to malnutrition and/or HIV infection 2, 3.
How is TB treated in Third World countries?
Three major strategies for controlling TB are BCG vaccination of children, chemoprophylaxis, and case-finding/treatment. Total coverage with BCG can prevent 40%-70% of deaths from TB among children and reduce total TB mortality by approximately 6% (1).
Is TB more common in developing countries?
TB is more common in countries where many people live in absolute poverty because people are more likely to: live and work in poorly ventilated and overcrowded conditions, which provide ideal conditions for TB bacteria to spread. suffer from malnutrition and disease – particularly HIV – which reduces resistance to TB.
Which countries are most affected by TB?
Eight countries account for two thirds of the total, with India leading the count, followed by China, Indonesia, the Philippines, Pakistan, Nigeria, Bangladesh and South Africa. Multidrug-resistant TB (MDR-TB) remains a public health crisis and a health security threat.
Why is tuberculosis still a global problem?
Tuberculosis is primarily a socioeconomic problem associated with overcrowding, poor hygiene, lack of fresh water and limited access to health care. The lack of a well organized health care infrastructure for case finding and treatment of tuberculosis complicates disease control in these countries.
What part of the world is tuberculosis most common?
Worldwide, TB is most common in Africa, the West Pacific, and Eastern Europe. These regions are plagued with factors that contribute to the spread of TB, including the presence of limited resources, HIV infection, and multidrug-resistant (MDR) TB. (See Epidemiology.)
Why is TB high in Asia?
Several important factors contribute to the higher rates of TB among racial and ethnic minority groups, including Asian persons. These factors include being born in a country with a high rate of TB disease or travel to a country with a high rate of TB disease.
Can kissing cause tuberculosis?
Kissing, hugging, or shaking hands with a person who has TB doesn’t spread the disease. Likewise, sharing bed linens, clothes, or a toilet seat isn’t how the disease spreads either.
What 3 countries have a high TB rate?
In 2020, the 30 high TB burden countries accounted for 86% of new TB cases. Eight countries account for two thirds of the total, with India leading the count, followed by China, Indonesia, the Philippines, Pakistan, Nigeria, Bangladesh and South Africa.