Respiratory infectious diseases: Break the chain of infection

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Organization: Public Health Agency of Canada

Date published: 2024-04-09

The chain of infection shows how germs that cause respiratory illnesses can spread between people and make someone sick. To protect yourself and others, you can use personal protective measures. These measures break the chain of infection and stop the spread of germs. Using more than one measure at a time is more effective because it breaks the chain of infection at multiple points.


Where germs can exist

How germs exit

How germs travel

How germs enter

Who's at risk

While many people can get sick with an infectious respiratory disease, some people are at risk of experiencing more serious complications from infection, including:

Break the chain

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