How Germs Spread

How Germs Spread

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Germs 101

How Germs Spread in a Shared Workplace

Understanding the main transmission routes is the foundation for every hygiene decision that follows — without it, prevention effort tends to focus on the wrong places.

Three main routes

Direct contact

Person-to-person transfer — a handshake, or touching a surface immediately after someone else.

Indirect (fomite) transmission

Touching a contaminated surface — a door handle, keyboard, or shared equipment — then touching your face. This is the route most workplace hygiene measures target.

Airborne / droplet transmission

Respiratory droplets or fine aerosols released by coughing, sneezing, or even normal breathing and speech in enclosed spaces.

Different pathogens favour different routes, which is why a comprehensive approach addresses all three: hand hygiene and surface disinfection for contact routes, and ventilation/filtration for airborne routes. See our hand hygiene guide, disinfection services, and indoor air quality hub for each.

A workplace that addresses all three routes consistently — not just the visible ones — is one that genuinely reduces illness spread, not just the appearance of it.

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