Marta Gacic-Dobo
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View article: Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations
Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations Open
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 pap…
View article: Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations
Recording vaccine doses administered: A global analysis of tally sheet design for infant and child immunizations Open
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 pap…
View article: Progress Toward Measles Elimination — Worldwide, 2000–2023
Progress Toward Measles Elimination — Worldwide, 2000–2023 Open
Measles vaccination effectively prevents measles, a highly contagious disease that can cause severe complications and death and requires high population immunity to interrupt transmission. This report describes measles elimination progress…
View article: Routine Vaccination Coverage — Worldwide, 2023
Routine Vaccination Coverage — Worldwide, 2023 Open
View article: Modelling the spatial variability and uncertainty for under-vaccination and zero-dose children in fragile settings
Modelling the spatial variability and uncertainty for under-vaccination and zero-dose children in fragile settings Open
View article: Spatial variability and uncertainty for under-vaccination and zero-dose in fragile settings: A model-based study of immunization coverage in Chad
Spatial variability and uncertainty for under-vaccination and zero-dose in fragile settings: A model-based study of immunization coverage in Chad Open
Universal access to childhood vaccination is important to child health and sustainable development. Here we identify, at a fine spatial scale, under-immunized children and zero-dose children. Using Chad, as an example, the most recent nati…
View article: Status of Routine Immunization Coverage in the World Health Organization African Region Three Years into the COVID-19 Pandemic
Status of Routine Immunization Coverage in the World Health Organization African Region Three Years into the COVID-19 Pandemic Open
Data from the WHO and UNICEF Estimates of National Immunization Coverage (WUENIC) 2022 revision were analyzed to assess the status of routine immunization in the WHO African Region disrupted by the COVID-19 pandemic. In 2022, coverage for …
View article: A Practical Guide to Pilot Testing Community-Based Vaccination Coverage Surveys
A Practical Guide to Pilot Testing Community-Based Vaccination Coverage Surveys Open
Pilot testing is crucial when preparing any community-based vaccination coverage survey. In this paper, we use the term pilot test to mean informative work conducted before a survey protocol has been finalized for the purpose of guiding de…
View article: Status of Routine Immunization Coverage in the World Health Organization African Region Three Years into the COVID-19 Pandemic
Status of Routine Immunization Coverage in the World Health Organization African Region Three Years into the COVID-19 Pandemic Open
Data from the WHO and UNICEF Estimates of National Immunization Coverage (WUENIC) 2022 revision were analyzed to assess the status of routine immunization in the WHO African Region, disrupted by the COVID-19 pandemic. In 2022, the coverage…
View article: Progress Toward Measles Elimination — Worldwide, 2000–2022
Progress Toward Measles Elimination — Worldwide, 2000–2022 Open
Measles is a highly contagious, vaccine-preventable disease that requires high population immunity for transmission to be interrupted. All six World Health Organization regions have committed to eliminating measles; however, no region has …
View article: Routine Vaccination Coverage — Worldwide, 2022
Routine Vaccination Coverage — Worldwide, 2022 Open
In 2020, the World Health Assembly endorsed the Immunization Agenda 2030 (IA2030), the 2021-2030 global strategy that envisions a world where everyone, everywhere, at every age, fully benefits from vaccines. This report reviews trends in W…
View article: COVID-19 Mortality and Progress Toward Vaccinating Older Adults — World Health Organization, Worldwide, 2020–2022
COVID-19 Mortality and Progress Toward Vaccinating Older Adults — World Health Organization, Worldwide, 2020–2022 Open
After the emergence of SARS-CoV-2 in late 2019, transmission expanded globally, and on January 30, 2020, COVID-19 was declared a public health emergency of international concern.* Analysis of the early Wuhan, China outbreak (1), subsequent…
View article: Bayesian hierarchical modelling approaches for combining information from multiple data sources to produce annual estimates of national immunization coverage
Bayesian hierarchical modelling approaches for combining information from multiple data sources to produce annual estimates of national immunization coverage Open
Estimates of national immunization coverage are crucial for guiding policy and decision-making in national immunization programs and setting the global immunization agenda. WHO and UNICEF estimates of national immunization coverage (WUENIC…
View article: Progress Toward Regional Measles Elimination — Worldwide, 2000–2021
Progress Toward Regional Measles Elimination — Worldwide, 2000–2021 Open
All six World Health Organization (WHO) regions have committed to eliminating measles.* The Immunization Agenda 2021-2030 (IA2030)† aims to achieve the regional targets as a core indicator of impact and positions measles as the …
View article: The global inequity in COVID-19 vaccination coverage among health and care workers
The global inequity in COVID-19 vaccination coverage among health and care workers Open
View article: Data quality of reported child immunization coverage in 194 countries between 2000 and 2019
Data quality of reported child immunization coverage in 194 countries between 2000 and 2019 Open
Analyzing immunization coverage data is crucial to guide decision-making in national immunization programs and monitor global initiatives such as the Immunization Agenda 2030. We aimed to assess the quality of reported child immunization c…
View article: Progress Toward Regional Measles Elimination — Worldwide, 2000–2020
Progress Toward Regional Measles Elimination — Worldwide, 2000–2020 Open
In 2012, the World Health Assembly endorsed the Global Vaccine Action Plan,* with the objective of eliminating measles† in five of the six World Health Organization (WHO) regions by 2020 (1). The Immunization Agenda 2021-2030 (I…
View article: Estimating global and regional disruptions to routine childhood vaccine coverage during the COVID-19 pandemic in 2020: a modelling study
Estimating global and regional disruptions to routine childhood vaccine coverage during the COVID-19 pandemic in 2020: a modelling study Open
View article: Compliance of WHO and UNICEF estimates of national immunization coverage (WUENIC) with Guidelines for Accurate and Transparent Health Estimates Reporting (GATHER) criteria
Compliance of WHO and UNICEF estimates of national immunization coverage (WUENIC) with Guidelines for Accurate and Transparent Health Estimates Reporting (GATHER) criteria Open
Background: The objective of the study was to assess compliance of the WHO and UNICEF estimates of national immunization coverage (WUENIC) against the 18 criteria of the Guidelines for Accurate and Transparent Health Estimates Reporting (G…
View article: Description of WHO and UNICEF estimates of national immunization coverage compliance with GATHER criteria
Description of WHO and UNICEF estimates of national immunization coverage compliance with GATHER criteria Open
Assessment of compliance of the WHO and UNICEF estimates of national immunization coverage (WUENIC) against the 18 criteria of the Guidelines for Accurate and Transparent Health Estimates Reporting (GATHER) that define and promote good pra…
View article: Impact of the SARS-CoV-2 Pandemic on Routine Immunization Services: Evidence of Disruption and Recovery From 169 Countries and Territories
Impact of the SARS-CoV-2 Pandemic on Routine Immunization Services: Evidence of Disruption and Recovery From 169 Countries and Territories Open
View article: HPV vaccination introduction worldwide and WHO and UNICEF estimates of national HPV immunization coverage 2010–2019
HPV vaccination introduction worldwide and WHO and UNICEF estimates of national HPV immunization coverage 2010–2019 Open
WHO/UNICEF estimates for HPV vaccination coverage from 2010 to 2019 are analyzed against the backdrop of the 90% coverage target for HPV vaccination by 2030 set in the recently approved global strategy for cervical cancer elimination as a …
View article: Progress Toward Regional Measles Elimination — Worldwide, 2000–2019
Progress Toward Regional Measles Elimination — Worldwide, 2000–2019 Open
In 2010, the World Health Assembly (WHA) set the following three milestones for measles control to be achieved by 2015: 1) increase routine coverage with the first dose of measles-containing vaccine (MCV1) among children aged 1 year to ≥90…
View article: Routine Vaccination Coverage — Worldwide, 2019
Routine Vaccination Coverage — Worldwide, 2019 Open
Endorsed by the World Health Assembly in 2020, the Immunization Agenda 2030 strives to reduce morbidity and mortality from vaccine-preventable diseases across the life course (1). This report, which updates previous reports (2), presents g…
View article: The epidemiology of rubella, 2007–18: an ecological analysis of surveillance data
The epidemiology of rubella, 2007–18: an ecological analysis of surveillance data Open
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View article: Progress Toward Regional Measles Elimination — Worldwide, 2000–2018
Progress Toward Regional Measles Elimination — Worldwide, 2000–2018 Open
In 2010, the World Health Assembly (WHA) set the following three milestones for measles control to be achieved by 2015: 1) increase routine coverage with the first dose of measles-containing vaccine (MCV1) among children aged 1 year to ≥90…
View article: Global Routine Vaccination Coverage, 2018
Global Routine Vaccination Coverage, 2018 Open
Endorsed by the World Health Assembly in 2012, the Global Vaccine Action Plan 2011-2020 (GVAP) (1) calls on all countries to reach ≥90% national coverage with all vaccines in the country's national immunization schedule by 2020. Building o…
View article: Assessing the quality and accuracy of national immunization program reported target population estimates from 2000 to 2016
Assessing the quality and accuracy of national immunization program reported target population estimates from 2000 to 2016 Open
Applying a set of criteria to assess reported target populations used to estimate administrative vaccination coverage can flag potential quality issues related to the national denominators and may be useful to help monitor ongoing efforts …
View article: Differences between coverage of yellow fever vaccine and the first dose of measles-containing vaccine: A desk review of global data sources
Differences between coverage of yellow fever vaccine and the first dose of measles-containing vaccine: A desk review of global data sources Open
View article: Global Routine Vaccination Coverage — 2017
Global Routine Vaccination Coverage — 2017 Open
Endorsed by the World Health Assembly in 2012, the Global Vaccine Action Plan 2011-2020 (GVAP) (1) calls on all countries to reach ≥90% national coverage with all vaccines in the country's national immunization schedule by 2020. This repor…