Study links MMR hesitancy to right-leaning media and alternative health sources. As US measles cases top 2,000, New Jersey confirms its first case of the year and urges vaccination.
The U.S. recorded 2,280 measles cases in 2025, the highest since 1991, with 982 cases already confirmed in early 2026. North London faces an outbreak with 34 children infected in Enfield, while Philadelphia issued an exposure alert for the international airport.
A measles exposure occurred on February 18 at Nemours Children's Hospital emergency department in Delaware. State health officials are conducting contact tracing and urging unvaccinated exposed individuals to receive MMR vaccine within 72 hours.
Measles cases are rising across multiple states, with over 40 cases at a Florida college and 18 cases in North Carolina since December. Federal health officials are urging vaccination as the U.S. recorded 2,280 cases in 2025.
| NCT ID | Title | Status | Phase |
|---|---|---|---|
| NCT06920069 |
Study of Concomitant Administration of the sIPV and DTaP or MMR |
NOT_YET_RECRUITING | PHASE4 |
| NCT06855160 |
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine and a Marketed Measles, Mumps and Rubella Vaccine When Administered as Intramuscular Injection to Healthy Children 12 to 15 Months of Age |
RECRUITING | PHASE3 |
| NCT06806137 |
A Study on the Immune Response and Safety of the Second Dose of an Investigational Chickenpox Vaccine When Given to Healthy Children 3 Months After a First Dose at 12 to 15 Months of Age |
RECRUITING | PHASE3 |
| NCT06740630 |
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age |
RECRUITING | PHASE3 |
| NCT06257212 |
Live Vaccines and Innate Immune Training in COPD. |
COMPLETED | PHASE4 |
| NCT04475081 |
Use of a Live Attenuated Vaccine as an Immune-based Preventive Against COVID-19-associated Sepsis |
COMPLETED | PHASE3 |
| NCT03853785 |
Efficacy of Intralesional MMR Vaccine,Intralesional Candidal Antigen&Topical Podophyllin in Treatment of Genital Warts |
UNKNOWN | PHASE3 |
| NCT03547271 |
Immunogenicity and Safety Study of a Quadrivalent Meningococcal Conjugate Vaccine When Co-administered With Routine Pediatric Vaccines in Healthy Infants and Toddlers in Europe |
COMPLETED | PHASE3 |
| NCT02589678 |
Zambia SiVET MMR Tdap-IPV |
COMPLETED | PHASE1/PHASE2 |
| NCT02253407 |
Safety & Immunogenicity of MMR Vaccine by DSJI to That by Needle-Syringe in 15-18 Months Old Children |
COMPLETED | PHASE4 |
