Life

10 Surprising Things That Can Spike Your Blood Sugar

Find out about 10 triggers that could cause your blood sugar to surge.

Type 1 Diabetes

Learn about type 1 diabetes symptoms, testing, treatment and management.

Do I Have Prediabetes? Campaign

The national prediabetes awareness campaign is helping Americans find out their risk for prediabetes

Sexual Transmission of Zika Virus

Zika virus can spread through sex, even if the infected person is asymptomatic.

Personal Story: Marleah

"Knowing your risk is just the beginning." Marleah learned she has a BRCA2 gene mutation at age 25.

Zika Cases in the United States

Zika is a nationally notifiable disease. Suspected cases are reported to health departments.

Spanish Homepage

Current Year Data (2026)

St. Louis encephalitis case data for the U.S. are regularly updated in the summer and fall.

Preventing HIV with PrEP

Information about using PrEP for HIV prevention.

Notes from the Field: The First 100 Days of Five Ebola Outbreaks — Democratic Republic of the Congo, Uganda, and West Africa, 2007–2026

This report describes the first 100 days of the 2026 Ebola outbreak in the Democratic Republic of the Congo compared to other Ebola outbreaks.