Observium
Global pathogen surveillance
Disease
Loading…
Observium Tuberculosis

Tuberculosis Mycobacterium tuberculosis

Tuberculosis (TB), also known colloquially as the "white death," or historically as consumption, is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis initially infects the lungs, but it can also spread to other parts of the body. Most infections show no symptoms, in which case it is known as inactive or latent tuberculosis. A small proportion of latent infections progress to active disease that, if left untreated, can be fatal. Typical symptoms of active TB are chronic cough with blood-containing mucus, fever, night sweats, and weight loss. Infectio

2WHO outbreaks
0Cases reported
0Deaths
2Countries affected

Countries with active outbreaks

  • United States — 1 events
  • Italy — 1 events

Recent events

  • 2007-05-30T00:00:00Z · United States — Extensively Drug-Resistant Tuberculosis (XDR-TB) in United States of America air passenger
  • 2025-01-01T00:00:00 · Italy — Global tuberculosis report 2025

Frequently asked questions

What is Tuberculosis?

Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis. Tuberculosis (TB), also known colloquially as the "white death," or historically as consumption, is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis initially infects the lungs, but it can also spread to other parts of the body. Most infections show no symptoms, in which case it is known as inactive or latent tuberculosis. A small proportion of latent

How is Tuberculosis transmitted?

The main transmission routes of Tuberculosis are: airborne (droplet nuclei).

Where is Tuberculosis endemic?

Tuberculosis is endemic in the following regions: Worldwide, high in Africa, SE Asia.

What is the case fatality rate of Tuberculosis?

The typical case fatality rate (CFR) of Tuberculosis is 12 (untreated 50)%.

How many active Tuberculosis outbreaks worldwide?

Currently 2 active WHO outbreaks reported, with None cases and None deaths in the surveillance window.

Official sources

Observium aggregates real-time data from authoritative sources: WHO Disease Outbreak News, CDC NNDSS, ECDC, Europe PMC, Italian Ministry of Health, ISS, UKHSA, RIVM, RKI, BAG, ISCIII, NICD, and 20+ national sources plus Google News.

View all sources →