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Introducing Essential Resource Collection: Vaccinating High Priority Populations

Introducing Essential Resource Collection: Vaccinating High Priority Populations

high priority populations covid

Knowledge SUCCESS and the USAID COVID Response Team are excited to partner together in the curation of essential resources related to the COVID-19 vaccination of high priority populations.

Why We Created This Collection

As the COVID-19 pandemic continues to unfold and evolve, updated guidance is needed to sustain momentum towards global vaccination goals. A key part of this effort includes the urgent delivery of vaccines to high priority populations.

In the WHO SAGE Roadmap for prioritizing uses of COVID-19 vaccines, the World Health Organization (WHO) defines high priority populations as:

  • Older adults,
  • Health workers, 
  • Immunocompromised persons, 
  • Adults with comorbidities, and
  • Pregnant persons.

Vaccinating these priority populations is a first step in reducing severe disease and death, protecting health systems, and ensuring equitable vaccine access. Knowledge SUCCESS therefore used these WHO-outlined groupings of population as a guide for categorizing these essential resources, and chose several of these priority groups for this essential resource collection. We found that many of the resources overlapped with more than one population group, so we placed the resources in the most relevant category. 

This collection of essential resources supports countries, implementers, decision-makers, and development partners in coordinating the delivery of vaccines to high-priority populations. It gathers key learnings, insights, strategies, and tools from around the world to help vaccine professionals access trustworthy and timely information. This information can inform targeted service delivery strategies, health communication campaigns, advocacy efforts, and overall plans for vaccine rollout. With an eye to the future and the next global vaccination effort, we hope this guidance and evidence of what has worked for the COVID-19 vaccine can prove useful in a variety of health emergency contexts.

How We Chose the Resources

Knowledge SUCCESS and the USAID COVID Response Team curated this set of essential resources using the following criteria for selection:

  • Evidence-based and trustworthy
  • Recently published and relevant to the current COVID-19 landscape
  • Applicable to different countries and settings

What is Included in This Collection?

This collection includes at least two resources per identified priority population, as well as general background information on updated global COVID-19 vaccination strategy and pandemic response. It provides tools and guidance to improve COVID-19 vaccine delivery and uptake. 

Resources are categorized by population and comprise a broad variety of resource types, including web applications, health communication materials, reports and studies, webinars, posters, technical guidance, databases, training modules, and articles.

Each resource in the collection includes a summary and a brief description of why it is considered essential. We hope this collection will be useful to you and look forward to receiving your thoughts and feedback.

Natalie Apcar


Natalie Apcar is a Program Officer II at the Johns Hopkins Center for Communication Programs, supporting knowledge management partnership activities, content creation, and communications for Knowledge SUCCESS. Natalie has worked for a variety of nonprofits and built a background in planning, implementation, and monitoring of public health programming, including gender integration. Other interests include youth and community-led development, which she got the chance to engage in as US Peace Corps Volunteer in Morocco. Natalie earned a Bachelor of Arts in International Studies from American University and a Master of Science in Gender, Development, and Globalization from the London School of Economics and Political Science.

Erin Broas

Erin Broas


Erin Broas is a full-time Master of Science in Public Health (MSPH) student at Johns Hopkins Bloomberg School of Public Health. She holds a Bachelor of Science in Molecular & Cellular Biology and in Public Health from the University of Arizona. Erin has previously worked in health education, health promotion, and health communication, with a particular focus on adolescent health, education access, and food security. As a student worker at Knowledge SUCCESS, she supports knowledge management activities and helps develop communication materials related to COVID-19 and family planning/reproductive health.

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