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How the Spread of Tuberculosis Can Be Controlled.

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How can the mortality rate due to tuberculosis be reduced?

Tuberculosis case reports and rates by age group and sex, UK, 2009
Tuberculosis case reports and rates by age group and sex, UK, 2009
Introduction to tuberculosis
A major issue in the medical world which biologists attempt to solve is Tuberculosis, an infectious disease that kills millions of males and females every year. It iscaused by Mycobacterium tuberculosis and Mycobacterium bovis. The bacteria may stay in the lymph system for years before becoming active, then likely will infect the lungs and possibly other organs in the body and damage them, if the lung mucus and immune system fails to defend in the first place. [1] The infection caused worldwide 1.7 million deaths in 2007. [2] An infected person will spread the bacteria in the air with tiny droplets by coughing, talking or even breathing. The main problem is in developing countries as the disease is spread due to unhygienic air, food or drinks. Young people in their productive years are especially vulnerable due to a weaker immune system.
Although the mortality rate due to tuberculosis in western countries is much lower than a decade ago, tuberculosis cases are increasing all over the world and especially developing countries still face huge problems. “Among the 15 countries with the highest estimated TB incidence rates, 13 are in Africa, while a third of all new cases are in India and China.” [3]

Biological methods and processes

By carrying out a case control study, biologists collect data from a group of individuals with the disease that are followed and studied during or after their treatment. The biologists observe the data and compare the results of the group of individuals who had one type of treatment with a group of individuals who had a different type, or no treatment. With these cohort studies, biologists are able to

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