Iv) In case of some diseases the tissue specificity of infections leads to very general seeming effects. Every small cold can become severe lung diseases and the death of the person happens due to these other
infections. Justify the situation with a suitable example.​

Throat infection turns into Tuberculosis.

Explanation:

A small infection can be changed into a big disease if it can't be controlled through medication and treatment. For example, at first coughing occurs due to throat infection but increase its intensity leads to more damaged to the throat which leads to the Tuberculosis disease. So this means that if the duration of a small disease increases, it turns into a big problem.

equal distribution i think.