Conversation so far:
what were the major effects of a dust storm
Exposure to dust in dust storms can cause breathing and lung problems; can damage crops and harm livestock; cause accidents and power failures; and damage infrastructure.
can dust storms spread disease
Dust storms have been shown to increase the spread of disease across the globe.
how can dust storms spread disease
In a dust storm, virus spores in the ground are blown into the atmosphere by the storms with the minute particles and interact with urban air pollution

Question: what contributes to the storms
Self-contained rewrite: what contributes to dust storms