WHO TB case definition?

WHO TB case definition?

A tuberculosis (TB) case is a patient that has been diagnosed as such by a clinician, regardless if the diagnosis has been confirmed bacteriologically or not.

Who extrapulmonary TB definition?

Extrapulmonary tuberculosis is defined according to WHO classification criteria as an infection by M. tuberculosis which affects tissues and organs outside the pulmonary parenchyma. It represents between 20 and 25% of all TB cases1. Extrapulmonary TB (EPTB) results from the hematogenous and lymphatic spread of M.

What are the two stages of TB?

There are 3 stages of TB: exposure, latent, and active disease. A TB skin test or a TB blood test can often diagnose the infection. But other testing is also often needed.

What are the types of tuberculosis?

There are two forms of the disease:

  • Latent TB. You have the germs in your body, but your immune system keeps them from spreading. You don’t have any symptoms, and you’re not contagious.
  • Active TB. The germs multiply and make you sick. You can spread the disease to others.

What are the two types of tuberculosis?

There are two types of TB conditions: TB disease and latent TB infection. But, if their TB germs become active, they can develop .

What is the difference between pulmonary and extrapulmonary tuberculosis?

Tuberculosis (TB) is an infectious disease that typically affects the lungs, though it can also involve other body parts. When it affects the lungs, it’s called pulmonary TB. TB outside of the lung is called extrapulmonary TB.

What is the most common extrapulmonary TB?

The most common forms of extrapulmonary TB are:

  1. Lymph node TB. This is the most common form of extrapulmonary TB.
  2. Pleural TB. Pleural TB is TB of the thin skin surrounding the lungs.
  3. TB of the bone and the joint.
  4. TB of the central nervous system.
  5. TB of other places.

What is in the who global TB Report 2021?

WHO Global TB Report 2021 WHO Global TB Report 2021 Launched 14 October 2021 Key findings and messages Acknowledgements 197 countries and territories that reported data >500 people who contributed to reporting and review of data

How many cases of tuberculosis are there in the world?

8 countries, two-thirds of global cases in 2020 86% in 30 high TB burden countries China Bangladesh Philippines Indonesia India Pakistan South Africa Nigeria Number of incident cases 2,000,000 1,000,000 100,000 500,000 Distribution by age and sex

How many countries are facing catastrophic costs from tuberculosis?

pooled average = 47%; far from End TB Strategy target of zero by 2020 Percentage facing catastrophic costs in national surveys Overall (23 countries) Drug-resistant TB only (19 countries) Pooled average= 87% 14 high TB burden countries and 1 global TB watchlist country Universal health coverage

Which countries accounted for 93% of global drop in TB in 2020?

Big global drop in number of people newly diagnosed with TB and reported 16 countries accounted for 93% of global drop India: 41% Indonesia: 14% Philippines: 12% % global shortfall in TB notifications in 2020 compared with 2019 0 10 20 30 40 India Indonesia Philippines China Bangladesh Pakistan Myanmar South Africa Kenya Russian Federation