WHO position paper on new recommendation and Global overview on HPV vaccine efficacy and safety

Paul Bloem (WHO/IVB) presented evidence on HPV vaccine efficacy, safety, and updated WHO recommendations. He underscored >90% protection against HPV 16/18 and herd effects at high coverage. Long-term studies show stable antibody levels over 10+ years for 1, 2, and 3 doses, with single-dose trials demonstrating ~97% efficacy against persistent infection. These findings informed WHO’s […]

WHO position paper on new recommendation and Global overview on HPV vaccine efficacy and safety – Q&A Session

The Q&A session addressed community concerns on HPV vaccine safety, duration of protection, and gender equity in vaccination. Questions covered reported adverse events (e.g., seizures, headaches, menstrual symptoms), long-term antibody persistence, and the relevance of early cancer incidence in efficacy studies. Paul Bloem clarified that extensive global safety reviews show no causal links between HPV […]

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