Which one of the following is not caused by polluted water?

Tuberculosis spreads through the air from an infected person's droplets, not through polluted water.

Cholera is a classic waterborne disease caused by contaminated water.

Dysentery spreads through water and food fouled by faecal matter.

Typhoid is carried by water contaminated with the causative bacterium.

Waterborne illnesses usually come from drinking or contact with sewage-tainted water.

Tuberculosis is caused by a bacterium that mainly attacks the lungs.