New Evaluation Tool to Guide Vaccine Use in Pregnant and Breastfeeding Populations

The Need for Structured Guidance in Emergencies

In the midst of an emerging infectious disease outbreak, decision-makers face intense pressure to evaluate vaccines rapidly. For pregnant and lactating individuals, who are often excluded from early clinical trials, this creates a serious evidence gap.

To help bridge that gap, the SPEAC Special Populations Working Group has developed a new template tool that provides a structured, early-stage framework for evaluating whether a candidate vaccine may be appropriate for use in these populations.

Now published in Vaccine, this tool supports decision-makers—regulators, sponsors, researchers, and ethics boards—by offering a standardized set of criteria to assess potential risks and benefits before more robust clinical data become available.

Read the article:
A template tool for the evaluation of vaccines for emerging pathogens to be used for pregnant and breast-feeding women

Key Features of the Tool

  • Designed for early-stage, outbreak response scenarios

  • Promotes transparency and reproducibility

  • Addresses key data gaps relevant to maternal immunization

  • Informed by prior experience with COVID-19, Zika, and other emerging threats

Why It Matters
By providing consistent, evidence-based guidance, this tool can help ensure that pregnant and breastfeeding individuals are not left behind in vaccine policy decisions—especially during fast-moving public health emergencies.

The SPEAC team is committed to advancing vaccine safety science that is inclusive, equitable, and ready for the next outbreak.



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