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Current Issue: Table of Contents
Issue 1850: December 17, 2025
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- “Effectiveness of 2024–2025 COVID-19 Vaccines in Children in the United States—VISION, August 29, 2024–September 2, 2025” published in MMWR
- Updated 65+ Flu Defense website offers resources for healthcare professionals serving older adults
- Respiratory viral illness rates are rising nationwide; vaccination helps protect health into the new year
- Immunize.org’s Influenza Vaccination Honor Roll for healthcare worker vaccination requirements welcomes three new facilities
- Immunize.org answers readers’ question: Will the Hepatitis B Birth Dose Honor Roll continue? Yes!
- Measles 2025—A bad year: 1,912 confirmed cases across 42 states; no signs of slowing in 2026 without improved vaccination rates
- “Late Season Influenza Vaccination”: watch the 1-minute video, part of the Ask the Experts Video Series on YouTube
- Vaccines in the news
- Happy holidays from everyone at Immunize.org! IZ Express will return on January 7.
- “Noninferiority of One HPV Vaccine Dose to Two Doses” published in NEJM
- Three recent publications of large European studies comparing effectiveness of high-dose and standard influenza vaccines in preventing adult hospitalization
- “The Effect of Shingles Vaccination at Different Stages of the Dementia Disease Course” published in Cell
- “COVID-19 mRNA Vaccination and 4-Year All-Cause Mortality Among Adults Aged 18 to 59 Years in France” published in JAMA
- Today! Virtual: Public Health Communications Collaborative hosts webinar “Better Communication for Better Health: A Conversation with Christina D. Eskridge” on December 17 at 2:00 p.m. (ET).
- Virtual: Register for Immunize.org Website Office Hours. Join a 30-minute discussion about our Vaccines A–Z content on January 7 at 4:00 p.m. (ET) or January 8 at 12:00 p.m. (ET). Recorded sessions archived.
- Virtual: CHOP’s Vaccine Education Center hosts film premiere of Forgetting to Remember: Lessons from a Vaccine Lost and panel discussion on January 13 at 1:00 p.m. (ET)
About IZ Express
IZ Express is supported in part by Grant No. NH23IP922654 from CDC’s National Center for Immunization and Respiratory Diseases. Its contents are solely the responsibility of Immunize.org and do not necessarily represent the official views of CDC.
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ISSN 2771-8085
Editorial Information
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Editor-in-ChiefKelly L. Moore, MD, MPH
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Managing EditorJohn D. Grabenstein, RPh, PhD
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Associate EditorSharon G. Humiston, MD, MPH
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Writer/Publication CoordinatorTaryn Chapman, MS
Courtnay Londo, MA -
Style and Copy EditorMarian Deegan, JD
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Web Edition ManagersArkady Shakhnovich
Jermaine Royes -
Contributing WriterLaurel H. Wood, MPA
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Technical ReviewerKayla Ohlde