Question

    Which one of the following diseases in humans can spread

    through air?
    A Dengue Correct Answer Incorrect Answer
    B Tuberculosis Correct Answer Incorrect Answer
    C HIV-AIDS Correct Answer Incorrect Answer
    D Goitre Correct Answer Incorrect Answer

    Solution

    The TB bacteria are expelled into the air when a person with TB disease of the lungs or throat coughs, sneezes, speaks, or sings. People nearby may breathe in these bacteria and become infected. 

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