When Is an Illness Contagious?

When Is an Illness Contagious?

How do you know when a child's illness is in the contagious stage? I run a daycare and would like to be able to take the right precautions at the right time when kids get sick.
- Yvette

It's important to keep in mind that most viral illnesses are contagious before a child shows any symptoms of being sick. In other words, a child who is infected is often spreading the virus even before feeling sick — which makes it virtually impossible to stop the spread of infections.

The best way to prevent the spread of germs is to encourage kids to wash their hands well and often, even when they feel well. Kids should wash their hands after playing outside, before eating, after coughing or sneezing, and after going to the bathroom.

Reviewed by: Steven Dowshen, MD
Date reviewed: May 2015





Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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Related Resources
OrganizationNational Institutes of Health's National Institute of Allergy and Infectious Diseases (NIAID) The National Institute of Allergy and Infectious Diseases (NIAID) conducts and supports basic and applied research to better understand, treat, and ultimately prevent infectious, immunologic, and allergic diseases.
OrganizationCenters for Disease Control and Prevention (CDC) The CDC (the national public health institute of the United States) promotes health and quality of life by preventing and controlling disease, injury, and disability.
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