Science ❯ Epidemiology

Infectious Diseases

Measles Measles Virus Vaccine Development COVID-19 Measles Outbreaks Viral Infections Vaccine Efficacy Hepatitis B Vaccines COVID-19 Variants

Federal Judge Freezes RFK Jr.–Led Vaccine Overhaul, Halting ACIP Shake-Up

The ruling responds to challenges over contested appointments plus vaccine guidance issued without customary ACIP debate.

Wisconsin Childhood Vaccination Completion Falls to 66.9% in 2025

PAHO Pushes U.S. Measles Elimination Review to November

JAMA Study Charts Steep Drop in Newborn Hepatitis B Shots Before CDC Reversal

New Measles Alerts at Disneyland and D.C. March for Life as California Confirms More Cases

Audit Finds Nearly Half of CDC Surveillance Databases Halted Updates in 2025

South Carolina Measles Outbreak Hits 646 As CDC Deputy Downplays Loss of U.S. Elimination Status

South Carolina Measles Outbreak Jumps to 558 as U.S. Elimination Status Is at Risk

Mexico Nears Loss of WHO Measles-Free Status as Cases Top 6,700

Nonmedical Vaccine Exemptions Surge Across U.S. Counties as Measles Outbreak Expands

San Diego County Launches In-House Wastewater Testing and Public Dashboard

U.S. Narrows Pediatric Vaccine Schedule, Pulling Six Shots From Universal Recommendation

U.S. Measles Cases Top 2,000 With Elimination Status at Risk

U.S. Weighs Overhaul of Childhood Vaccine Guidance as It Looks to Denmark

South Carolina Measles Outbreak Grows to 144 as U.S. Cases Near 2,000

Wisconsin Confirms First Pediatric Respiratory Deaths of the Season From COVID-19 and Flu

CDC Shifts Hepatitis B Newborn Vaccination to Shared Decision-Making

States and Hospitals Rebuke ACIP Move to Delay Newborn Hepatitis B Shot

CDC Study Finds 2024–25 COVID-19 Vaccine Cut Pediatric ER and Urgent-Care Visits

Study Traces Black Death’s European Onset to Volcanic Cooling and Grain Imports