Skip Navigation




Please Note: By clicking a link to any resource listed on this page, you will be leaving the TeensHealth site.

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.

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

© 1995- The Nemours Foundation. All rights reserved.

Images provided by The Nemours Foundation, iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and