scientists at the Imperial College, London, are close to finalising a simple blood test for tuberculosis (tb), which will be useful, especially in detecting the disease in children. The test

Scientists unravel the structure of key TB protein

Disease has varied strings, needs differents vaccines

Vitamin D deficiency weakens defence

How the TB germ thrives

About 3 million years old

New vaccines against TB of little help in developing countries

Kill or Cure

It s also about not compensating suffering mineworkers

But the invention of the stethoscope revolutionised medical diagnosis

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