Identify the term that means proneness to fall ill from major waterborne diseases.

Morbidity

The answer is Morbidity.

Morbidity refers to the state of being diseased or the incidence of disease within a population. It is a measure of the prevalence of disease in a population, and it is often expressed as a rate or proportion.

The other options are incorrect:

• Mobility: Mobility refers to the ability of people or goods to move from one place to another.

• Maternity: Maternity refers to the state of being a mother or the period following childbirth.

• Malariality: Malariality refers to the prevalence of malaria in a particular area.

Therefore, the only correct answer is morbidity.