What is the epidemiology of tuberculosis?

What is the epidemiology of tuberculosis?

TB infection is one of the most common infections in the world. It is estimated that nearly 2 billion people (about one fourth of the world’s population) are infected with M. tuberculosis. Every year, about 10 million people develop TB disease and 1.6 million people die of it.

Where is the highest prevalence of TB?

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.

Which group has the highest incidence rate of TB in 2007?

A. Which group has the highest incidence rate of TB in 2007? Answer Key According to calculations above, males 65 years and older have the highest incidence rate in 2007 (9.4 per 100,000).

What are the associated risk factors with TB in public health?

Diabetes, alcohol, malnutrition, tobacco smoke, and indoor air pollution are factors which impact a larger section of the population and accelerate progression to TB disease. This paper aims to summarize the risk factors which contribute to TB infection and disease at both individual and population level.

What are the three components of the epidemiological triangle?

The triad consists of an external agent, a susceptible host, and an environment that brings the host and agent together. In this model, disease results from the interaction between the agent and the susceptible host in an environment that supports transmission of the agent from a source to that host.

What population is most affected by tuberculosis?

The percentage of TB cases that occur in Hispanic or Latino, Black or African American, and Asian persons is higher than expected based on the percentage of these populations in the U.S. population. In 2020, about 89% of the TB cases reported in the United States occurred among racial and ethnic minority groups.

What populations are most at risk for tuberculosis?

Health Disparities.

  • Asian Persons.
  • Black or African American Persons.
  • Hispanic or Latino Persons.
  • Children.
  • Pregnancy.
  • Correctional Facilities.
  • People Experiencing Homelessness.