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WHO's top vaccine advisory body just made a series of major calls. The Strategic Advisory Group of Experts on Immunization (SAGE) met in October and issued updated recommendations on HPV, diphtheria, yellow fever, mpox, polio, and the Bundibugyo virus outbreak — with a clear message: strong routine immunization is the backbone of global health security.
WHO's Strategic Advisory Group of Experts on Immunization (SAGE) convened October 5–8 and delivered a sweeping set of vaccine policy updates spanning six disease areas. The group's overarching theme: evidence-driven, equity-focused immunization is the cornerstone of health security — and gaps in routine coverage leave communities dangerously exposed.
On HPV, SAGE reaffirmed that a single-dose schedule for girls aged 9–14 (and up to age 30) is the most efficient path to closing the coverage gap. For diphtheria, experts stressed that outbreak response should prioritize antitoxin therapy and routine immunization strengthening over mass campaigns. Yellow fever fractional doses received a green light for use in certain preventive campaigns under supply constraints. On polio, countries offering fewer than three IPV doses were urged to move immediately to a three-dose infant schedule.
By the Numbers:
Why it matters: These recommendations shape national immunization policies worldwide. With financial pressures straining programs and outbreaks like Bundibugyo virus disease claiming young lives, SAGE's guidance gives countries a critical roadmap for protecting the most vulnerable — but only if acted upon.
