IZ Express is a weekly periodical from immunize.org that features important immunization developments, such as the latest vaccine recommendations and licensures, essential journal articles, practical vaccination resources, conference announcements, and more.
Current Issue: September 9, 2026
- Updated: 2026-27 influenza vaccination resources
- FDA licenses updated COVID-19 vaccines
- Ask the Experts section on varicella vaccination updated
Previous Issues
January: 7 | 14 | 21 | 28
February: 4 | 11 | 18 | 25
March: 4 | 11 | 18 | 25
April: 1 | 8 | 15 | 22 | 29
May: 6 | 13 | 20 | 27
June: 3 | 10 | 17 | 24
July: 1 | 8 | 15 | 22 | 29
August: 5 | 12 | 19 | 26
September: 2
Ask the Experts