∙ Tuberculosis (T.B.) - T.B. is an infectious disease which is communicated from one person to another directly or indirectly.
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∙ It is caused by the bacterium called Mycobacterium tuberculae. T.B. can affect all parts of the body such as lungs, lymph glands, bones, intenstine, etc.
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∙ Typhoid is the most common communicable disease in India. Typhoid fever is common in young adults.
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∙ Typhoid is caused by a rod-shaped, motile bacterium called Salmonella typhi which is commonly found in the intestine of human beings.
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