Have a go at this question on tuberculosis. Write out your answers on paper or a printout of this page and fill it out-
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 OCR, January 2001
    1. Question:

    1. Name the organism that causes tuberculosis (TB).

      [1]
      Question:

    2. Describe how tuberculosis is spread from infected to uninfected people.

      [3]

  2. The figure shows the number of cases of tuberculosis recorded by health authorities in England and Wales between 1913 and 1998.



    Question:

  3. With reference to the figure, describe the changes in the number of recorded cases of tuberculosis between 1913 and 1998 in England and Wales.

    [4]
    Question:

  4. Explain how social and economic factors have been important in reducing the number of cases of tuberculosis in developed countries such as Enaland and Wales.

    [4]
[Total: 12]