Building on and complementing the Centers for Disease Control and Prevention’s (CDC’s) national disease surveillance infrastructure, the tracker provides open access data to offer the public, the ...

West Nile virus (WNV) is making an early and active return in the United States this year, putting a renewed spotlight on the nation’s most common mosquito-borne disease. But for a small percentage of ...

Analyze the political landscape and potential implications for public health priorities at federal, state, and local levels (non-partisan framing) Define "policy windows" and identify at least two ...

Although state-level data are useful, a more granular picture of where measles cases are occurring can help to inform a more effective public health response. The U.S. Measles Tracker maps the ...

A new study led by researchers at the Johns Hopkins Center for Gun Violence Solutions found that, overall, Baltimore’s Safe Streets violence prevention program is associated with a 42% reduction in ...

Two people are standing in line at the grocery store. One has a cart full of instant ramen, hotdogs, ice cream, and soda, and the other has a cart full of whole grain bread, breakfast cereal, creamy ...

Measles was considered eliminated in the U.S. in 2000, meaning that there was not continuous transmission of the virus in the country for 12 months or more. But 2025 marked a record year with the most ...

As winter approaches in the Northern Hemisphere, we brace for colder weather and shorter days that have more people spending time indoors. And while for many the season brings cozy holiday ...

The CDC also reports estimates of both medical and non-medical exemptions to vaccination requirements. While medical exemptions remained stable at 0.2% in 2024-25, non-medical exemptions reached an ...

In 1971, the FDA approved the measles-mumps-rubella (MMR) vaccine, which combined three vaccines that had been approved previously—in 1963, 1967, and 1969, respectively. The vaccine has proven safe ...

The federally recommended vaccine schedule for American kids abruptly changed Monday when the Department of Health and Human Services removed several vaccines from the list of shots recommended for ...

A new study led by researchers at the Johns Hopkins Bloomberg School of Public Health and the American Enterprise Institute found that insurance denials of first attempts to fill prescriptions for ...