Vaccines
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US Measles Cases Hit 1,952 as Country Edges Toward Losing Elimination Status It Has Held Since 2000
The CDC logged 1,952 measles cases through May 21, 2026 — on pace to surpass last year's high not seen since 1992 — as a Lancet study concludes four of seven elimination indicators have already been missed.
WHO Declares Bundibugyo Ebola Outbreak in DRC and Uganda a Public Health Emergency of International Concern
A rare Bundibugyo virus outbreak with no licensed vaccines or treatments has been declared a PHEIC, with over 650 suspected cases and 160 suspected deaths across three DRC provinces and Uganda.
Personalized mRNA Vaccine Keeps 87 Percent of Pancreatic Cancer Responders Alive at Six Years, AACR Data Show
Six-year follow-up from a 16-patient Phase 1 trial of autogene cevumeran shows unprecedented survival rates in one of oncology's deadliest cancers, now entering a global Phase 2 trial.
Kent MenB Outbreak Triggers Second-Dose Push for Nearly 12,000 Exposed People
UK health officials are widening the MenB response in Kent by offering second doses to people already given a first shot, after an outbreak that has left two people dead and 21 confirmed cases.
Largest TB Vaccine Trial in Decades Finds VPM1002 Halves Extrapulmonary Risk but Falls Short of Broad Protection
Phase 3 PreVenTB trial of 12,717 people across India shows VPM1002 cuts extrapulmonary tuberculosis by 50%, but neither candidate prevents pulmonary TB or latent infection.
BioNTech's Personalized mRNA Vaccine Keeps 11 of 14 Triple-Negative Breast Cancer Patients Relapse-Free for Up to Six Years
A first-in-human trial published in Nature shows BioNTech's individualized neoantigen mRNA vaccine produces durable T cell immunity and sustained disease control in aggressive breast cancer.
Harvard's DNA Origami Vaccine Matches mRNA Shots in Immune Response While Eliminating Cold Chain Requirements
Harvard's DoriVac platform, built from self-assembling DNA nanostructures, matches mRNA vaccine immune responses while eliminating cold chain requirements, a Nature Biomedical Engineering study shows.
Federal Judge Blocks Kennedy's Overhaul of U.S. Childhood Vaccine Schedule, Invalidates Reconstituted Advisory Panel
A federal court has halted sweeping changes to the national childhood immunization schedule and frozen Kennedy's ACIP appointments, finding the reconstituted panel likely violated federal law.
First Fentanyl Vaccine Enters Human Trials in the Netherlands, Aiming to Block Overdoses Before They Start
ARMR Sciences begins Phase 1 trials of a vaccine that trains the immune system to intercept fentanyl before it reaches the brain, a preventive approach with no precedent in addiction medicine.
Moderna-Merck Personalized mRNA Cancer Vaccine Sustains 49% Melanoma Risk Reduction at Five Years
Five-year KEYNOTE-942 trial data show Moderna and Merck's individualized neoantigen mRNA vaccine maintains a 49% reduction in melanoma recurrence or death.