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Option 1 : Tuberculosis
- Tuberculosis is a bacterial infection that spreads through droplets of infected persons.
- It causes fever, pain and severe cough.
- Most of the air space in the human body is occupied by fluid and dead W.B.C.
- Occupational lung hazards caused due to exposure to harmful substance like silica, asbestos, dust etc. present in the environment where a person works.
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