How Can a Tiny Particle Make You Sick?

Tiny particles are like invisible travelers. When someone coughs or sneezes, they send out tiny particles in the air, and if you're close enough, those same tiny particles can land on your nose or mouth and make you sick too.

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Examples

A child coughs in a crowded bus, someone nearby gets sick.
A teacher speaks loudly, and students breathe in tiny particles from their voice.
A person sneezes on a doorknob, the next person touches it and then their face.

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Categories: Technology · virus· microbiology· infection· health· science