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According to me, the main reason lies in the nature of the two diseases. Malaria isn't directly contagious from one person to another. It has to be transmitted by the bite of a mosquito, which means that if someone near you has malaria, those mosquitoes that bite him are carrying the disease! Whereas tuberculosis is a highly contagious disease, tiny ...


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The statement in the question about the current distribution of these diseases is not strictly accurate, as shown by the graphic below. [Malaria graphic: Wikipedia user, Percherie (2006); TB graphic: Corbett et al. (2003)] However there is no disputing that the contemporary and historical geographical distribution of these diseases differ. Why? The crux ...


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After using soap, the pathogens that were previously present in hands are removed by the soap and water. But yes, bacteria from the water do attach themselves to our hands again, for that we should wash our hands with clean water, which may not be sterile but at least free from pathogens. Also if we wipe our hands to cloth after washing, the bacteria that ...


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Do bacteria from the water attach themselves to our hands again? Yes if the water does contain bacteria. Also, the chance that your hands will get contaminated is directly dependent on the concentration of bacteria in the water. If we wipe our hands to cloth after washing our hands, do bacteria from the cloth also attach to our hands? Same as with the ...



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