CDC guidance identifies September and October as usual flu-vaccination months — sources for revision 1
Centers for Disease Control and Prevention
Source date: September 1, 2026 (updated; originally published October 1, 2024)
Supporting location: When people should get vaccinated; interim guidance Timing of Vaccination.
CDC interim clinical guidance
Source date: September 1, 2026
Supporting location: Timing of Vaccination; introductory legal-uncertainty note.
Source dates are distinct from Iliyn’s October 7, 2026 preparation date. Primary-source checking and a separate agent’s factual review are required before publication; source statements do not establish individual eligibility or independently prove underlying events.
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