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Current Issue: Table of Contents
Issue 1870: April 22, 2026
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- “Tetanus in Four Children—Idaho, Minnesota, Missouri, and Wisconsin, 2024” published in MMWR
- “Tetanus Surveillance—United States, 2009–2023” published in MMWR
- “Clusters of Invasive Haemophilus influenzae Type B Disease Among Adults Using Substances or Experiencing Homelessness or Housing Instability—Alaska, Oregon, and Washington, 2023─2025” published in MMWR
- National Infant Immunization Week is April 19–25; jump start promotion activities with Voices for Vaccines’ resources
- Immunize.org reviews and updates Ask the Experts sections on Storage and Handling and Scheduling Vaccines
- Immunize.org updates three handouts to increase MenACWY 2-dose coverage, measure success, and build a culture of immunization in your office
- Late RSV activity continues; most jurisdictions that typically recommend stopping RSV preventive antibodies for infants after March 30 now advise continuing through April 30
- Measles 2026: 1,748 confirmed measles cases in first 4 months; 32 states report 2026 cases
- “Which Adults Should Be Vaccinated for Hepatitis B?” See this 3-minute video, part of the Ask the Experts Video Series on YouTube.
- Vaccines in the news
- “Nine-Valent Human Papillomavirus Vaccination and Related Cancers in Males” published in JAMA Oncology
- “The Health and Economic Repercussions of Declining MMR Coverage in the United States” published in PNAS
- “Influenza Vaccination Attenuates Acute Myocardial Infarction and Stroke Risk Following Influenza Infection: A Register-Based, Self-Controlled Case Series Study, Denmark, 2014 to 2025” published in Eurosurveillance
- Virtual: National Academy of Medicine hosts webinar titled “Communicating About Measles for Health Professionals” on April 28 at 12:30 p.m. (ET)
- Virtual: CDC hosts COCA call, “Rabies Is Still Here: Epidemiology, Outbreaks, and Costs of Prevention in the United States,” on April 30 at 2:00 p.m. (ET); CE credit offered
- Register for Immunize.org Website Office Hours. Join a 30-minute discussion about our News & Updates web content on May 13 at 4:00 p.m. (ET) or May 14 at 12:00 p.m. (ET). Recorded sessions archived.
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 -
Technical ReviewerKayla Ohlde