Welcome to the Welch Center, where our interdisciplinary faculty and trainees collaborate on groundbreaking epidemiologic, clinical, and translational research related to preventing and controlling ...

Medical misinformation has the potential to negatively impact health outcomes for people who have been marginalized. This reality became all too clear during the COVID-19 pandemic when medical ...

(Fiocruz), and IGTC. Although tobacco advertising is banned in Brazil, there are currently no specific regulations to control or ban the public promotion of tobacco company CSR activities, providing a ...

Lawmakers and advocates have a new tool to shape effective policies to regulate the public carry of firearms. Today, the experts from the Johns Hopkins Center for Gun Violence Solutions released ...

When a baby is born, hospital staff move quickly through a standard checklist of newborn care: taking measurements, administering antibiotic eye ointment to prevent eye infections, and giving a small ...

The U.S. has reported more than 1,600 cases of measles to date in 2025, the largest number of cases since the disease was declared eliminated in 2000. Effectively responding to a measles outbreak ...

Home CDC Provisional Data: Gun Suicides Reach All-time High in 2022, Gun Homicides Down Slightly from 2021 ...

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 ...

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 ...

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.

A team of experts from the Johns Hopkins Center for Gun Violence Solutions at the Bloomberg School of Public Health have crafted a new tool for lawmakers to write effective safe firearm storage laws.

The hygiene hypothesis is the idea that kids need to be exposed to germs in order to develop healthy immune systems. We know that many common viruses did not circulate as widely during the pandemic, ...