What is the difference between an outbreak an epidemic and a pandemic?

The same is true for Ebola, which is now being termed an epidemic. A pandemic on the other hand refers to a worldwide epidemic, which could have started off as outbreak, escalated to the level of an epidemic and eventually spread to a number of countries across continents. The 2009 flu pandemic is a good example.

Is TB considered an epidemic?

Tuberculosis (TB) is a global disease, found in every country in the world. It is the leading infectious cause of death worldwide. The World Health Organization estimates that two billion people—one third of the world's population—are infected with Mycobacterium tuberculosis (M.tb), the bacteria that causes TB.
  • What age group is most likely to get tuberculosis?

    Tuberculosis mostly affects adults in their most productive years. However, all age groups are at risk. Over 95% of cases and deaths are in developing countries. People who are infected with HIV are 20 to 30 times more likely to develop active TB (see TB and HIV section below).
  • Can you prevent tuberculosis?

    With proper TB treatment someone with TB will very quickly not be infectious and so can no longer spread TB to others. The second main part of TB prevention is to prevent people with latent TB from developing active, and infectious, TB disease. The third part of TB prevention is TB infection control.
  • Where is the origin of tuberculosis?

    A team of geneticists from institutions throughout North America, South America, and Europe, used a comparative genomics approach to try to solve the mystery of the origins of modern M. tuberculosis in the New World. Mycobacterium tuberculosis (M. tb) is a bacterium that causes tuberculosis disease (TB).

Updated: 18th November 2019

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