AHAriel Higgins-Steele

Ariel Higgins-Steele

*This is an algorithmically generated author record based on publicly available information.

Current Organizations / Institutes

The organizations/institutes from the scholar's latest article

Previous Organizations / Institutes

The organizations / institutes from the scholar's other articles in the past ten years


Ariel Higgins-Steele has a total of 12 co-authors. Here are the top co-authors by number of shared publications:

  • Dalya Eltayeb

    Federal Ministry of Health, Khartoum, Sudan

    2 shared publications
  • Hemant Shukla

    Polio Eradication Department, Eastern Mediterranean Regional Office, World Health Organization, Amman, Jordan

    2 shared publications
  • Ismael Suleiman El Sheikh

    Expanded Programme on Immunization (EPI), Federal Ministry of Health, Khartoum, Sudan

    2 shared publications
  • Jan Grevendonk

    Affiliation Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland

    2 shared publications
  • Leonard Machado

    Polio Eradication Department, Eastern Mediterranean Regional Office, World Health Organization, Amman, Jordan

    2 shared publications
  • M. Carolina Danovaro-Holliday

    Affiliation Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland

    2 shared publications

Latest Publications

  • Open Access

    Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations

    by Ariel Higgins-Steele, Stephanie Shendale, Jan Grevendonk, Marta Gacic-Dobo, M. Carolina Danovaro-Holliday

    Most countries use tally sheets across immunization programmes for health workers to mark vaccine doses administered to every person, alongside home-based records, yet their design and use is poorly understood at the global level. This paper presents a multi-country analysis on routine childhood immunization tally sheet content and design sourced from the annual electronic WHO/UNICEF Joint Reporting Form on Immunization (eJRF), which collected these forms for the first time in 2024 (for 2023). Of the total submissions (N = 71) of tally sheets by reporting entities, 51 submissions met the criteria for inclusion as a valid tally sheet allowing for data extraction. The 51 tally sheets were from countries and territories across all six regions of the World Health Organization (WHO) and all four World Bank income classifications. Analysis showed heterogeneity in immunization tally sheet design, core data fields, and the extent to which the available tally sheets aligned with globally recommendations found in recent vaccine-specific and programmatic guidance related to catch-up vaccination. As national immunization programmes and vaccination schedules protect against more diseases, and thereby become more complex, fit-for-purpose tally sheet design and instructions as well as support mechanisms for health workers on tally sheet use are essential, similar to what is recommended for home-based records.


  • Open Access

    Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations

    by Ariel Higgins-Steele, Stephanie Shendale, Jan Grevendonk, Marta Gacic-Dobo, M. Carolina Danovaro-Holliday

    Most countries use tally sheets across immunization programmes for health workers to mark vaccine doses administered to every person, alongside home-based records, yet their design and use is poorly understood at the global level. This paper presents a multi-country analysis on routine childhood immunization tally sheet content and design sourced from the annual electronic WHO/UNICEF Joint Reporting Form on Immunization (eJRF), which collected these forms for the first time in 2024 (for 2023). Of the total submissions (N=71) of tally sheets by reporting entities, 51 submissions met the criteria for inclusion as a valid tally sheet allowing for data extraction. The 51 tally sheets were from countries across all six regions of the World Health Organization (WHO) and all four World Bank income classifications. Analysis showed heterogeneity in immunization tally sheet design, core data fields, and the extent that the available tally sheets aligned with globally recommendations found in recent vaccine-specific and programmatic guidance related to catch-up vaccination. As national immunization programmes and vaccination schedules protect against more diseases, and thereby become more complex, fit-for-purpose tally sheet design and instructions as well as support mechanisms for health workers on tally sheet use are essential, similar to what is recommended for home-based records.

  • Open Access

    Effective partnership and in-country resource mobilization in Sudan for cVDPV2 outbreak response amid multiple emergencies in 2020–2021

    by Mohammed Taufiq Mashal, Dalya Eltayeb, Ariel Higgins-Steele, Ismael Suleiman El Sheikh, Ni’mA Saeed Abid, Hemant Shukla, Leonard Machado, Hamid Jafari

    Background: During 2020 and immediately prior to the COVID-19 pandemic, Sudan was experiencing multiple emergencies including violence, seasonal flooding, and vector-borne disease outbreaks. After more than ten years since its last case of wild poliovirus, Sudan declared a circulating vaccine-derived poliovirus type 2 (cVDPV2) outbreak on 9 August 2020. Methods: cVDPV2 outbreak response data and programme documents of the Federal Ministry of Health and WHO were reviewed. Surveillance data was verified through WHO-recommended procedures for detecting and characterizing polioviruses from stool and sewage samples collected from acute flaccid paralysis (AFP) cases and the environment. Results: This outbreak in Sudan led to a total of 58 confirmed cases of cVDPV2 from 15 of the 18 states. Two nationwide vaccination campaigns were held to increase immunity of children under-five against poliovirus type 2. Funding challenges were overcome by intense additional resource mobilization from in-country sources. The funding gap was bridged from domestic resources (49%) sourced through GPEI partners, and in-country humanitarian funding mechanisms. Conclusions: During an outbreak response and challenge of funding shortfall, mobilizing in-country resources is possible through coordinated approaches, regular communication with partners, disaggregation of needs, and matching in-kind and financial support to fill gaps. A cVDPV2 outbreak requires a fast, resourced, and quality response to stop virus circulation.


  • Open Access

    Partnership and domestic resource mobilization in Sudan for cVDPV2 outbreak response amidst multiple emergencies in 2020-2021

    by Mohammed Taufiq Mashal, Dalya Eltayeb, Ariel Higgins-Steele, Ismael Suleiman El Sheikh, Abid Ni’ma Saeed, Hemant Shukla, Leonard Machado

    Background: During 2020 and immediately prior to the COVID-19 pandemic, Sudan was experiencing multiple emergencies including violence, seasonal flooding, and vector-borne disease outbreaks. After more than ten years since its last case of wild poliovirus, Sudan declared a circulating vaccine-derived poliovirus type 2 (cVDPV2) outbreak on 9 August 2020. Methods: cVDPV2 outbreak response data and programme documents of the Federal Ministry of Health and WHO were reviewed. Surveillance data was verified through WHO-recommended procedures for detecting and characterizing polioviruses from stool and sewage samples collected from AFP cases and the environment. Results: This outbreak in Sudan led to a total of 58 confirmed cases of cVDPV2 from 15 of the 18 states. Two nationwide vaccination campaigns were held to increase immunity of children under-five against poliovirus type 2. Funding challenges were overcome by intense additional resource mobilization from domestic resources and partnerships. The funding gap was bridged from domestic resources (49%) sourced through GPEI partners, and in-country humanitarian funding mechanisms. Conclusions: During an outbreak response and challenge of funding shortfall, mobilizing domestic resources is possible through coordinated approaches and systematic communication with in-country partners, disaggregation of needs, and diverse interventions. A cVDPV2 outbreak requires a fast, resourced, and quality response to stop virus circulation.