The Department of Environmental Health and Engineering advances global impact through pioneering research, innovative education, and practice.

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 ...

in 80 malaria-endemic countries in 2024, a slight increase from the previous year. Still, prevention strategies such as widespread use of insecticide-treated mosquito nets and seasonal malaria ...

The United States surpassed a milestone in reported measles cases, with 2025 now having the most cases since the disease was declared eliminated in the U.S. in 2000 and the most cases in more than ...

Beyond the direct medical costs of treating patients through both outpatient visits and hospitalizations, significant resources are needed to respond to and control measles outbreaks, and economic ...

Alcohol use and gun violence are leading causes of preventable injury and death in the U.S., and the issues are most deadly when they intersect. But despite alcohol being a strong risk factor for gun ...

Cass Crifasi and Alex McCourt answer frequently asked questions about regulating the public carry of firearms and the risks associated with permitless carry and Stand Your Ground laws.

Until recently, there were multiple theories about the origins of SARS-CoV-2. Finger-pointing, politics, and mis- and disinformation soured the discussion, but researchers have continued to prod for ...

President Trump’s decision last week to suspend payments to the WHO wasn’t the first time a U.S. president has withheld funds and criticized the organization early in a historic pandemic. President ...

The U.S. has one of the lowest tuberculosis incidence rates in the world. So when there are outbreaks of this bacterial infection, like the one reported last month in Kansas, they get our attention.

After the death of actor Matthew Perry, ketamine—for decades used as a popular party drug—came into the public eye once more. According to the medical examiner, Perry, who had been undergoing ...

Following the campaign launch, the Nigerian government, alongside IVAC and other partners, are working to steadily incorporate the vaccine into routine immunization schedules within healthcare ...