Explanipedia

COVID-19 vaccination implementation in six lower- and middle-income countries: Successes, challenges, and lessons for pandemic preparedness Open

Cara Tupps, Dora Curry, Amanda Edwards, Eva Bazant, Ann Moen , et al. · 2025

The COVID-19 pandemic challenged health systems in low- and middle-income countries (LMIC) to rapidly deploy vaccines, target adult populations, and integrate the COVID-19 vaccine into existing vaccination programs. This evaluation examine…

Lessons learned from the COVID-19 pandemic: opportunities and challenges to leverage investments in HIV, tuberculosis and malaria for pandemic preparedness and response Open

Deanna Tollefson, Anthony W. Mounts, Naisa Rahman, Wan‐Chin Chen, Kevin M. De Cock , et al. · 2025

Introduction The COVID-19 pandemic strained public health infrastructure in low-income and middle-income countries (LMICs), leading them to leverage resources of existing public health programmes including HIV, tuberculosis (TB) and malari…

Global VAX: A U.S. contribution to global COVID-19 vaccination efforts, 2021–2023 Open

Benjamin A. Dahl, Beth Tritter, Deena M. Butryn, Melissa Dahlke, Sean Browning , et al. · 2024

Lessons Learned from the Covid-19 Pandemic: Opportunities and Challenges to Leverage the Global Fund Investments in HIV, Tuberculosis, and Malaria for Pandemic Preparedness and Response Open

Deanna Tollefson, Anthony W. Mounts, Naisa Rahman, Wan‐Chin Chen, Kevin M. De Cock , et al. · 2024

Early Experiences of Low- and Middle-Income Countries with Integration of COVID-19 Vaccination into Health Systems and Routine Health Services Open

Asalif Belayneh, Dora Curry, Amanda Edwards, Kerry Gallo, Fodié Maguiraga , et al. · 2023

Background Vertical and fragmented tactics used in the global introduction of COVID-19 vaccination strained health systems in low- and middle-income countries (LMIC). Global strategy has shifted from achieving short-term coverage goals tow…

Results and Policy Implications of a COVID-19 Vaccine Post-introduction Evaluation in Thailand, May 2022 Open

Chawetsan Namwat, Prabda Praphasiri, Chakrarat Pittayawonganon, Kriengkrai Prasert, Sutthichai Nakphook , et al. · 2023

Thailand initiated a COVID-19 vaccine campaign in February 2021, and by March 2022, approximately 72% of residents over 5 years of age had received two doses of vaccine. We evaluated Thailand’s COVID-19 vaccine campaign in Bangkok and in f…

Facing the future of respiratory virus surveillance: “The mosaic surveillance framework” Open

Joshua A. Mott, Isabel Bergeri, Hannah C. Lewis, Anthony W. Mounts, Sylvie Briand · 2023

It is impossible to address the many complex needs of respiratory virus surveillance with a single system. Therefore, multiple surveillance systems and complementary studies must fit together as tiles in a “mosaic” to provide a complete pi…

Facing the future of respiratory virus surveillance: “The mosaic surveillance framework” Open

Joshua A. Mott, Isabel Bergeri, Hannah Lewis, Anthony W. Mounts, Sylvie Briand · 2023

It is impossible to address the many complex needs of respiratory virus surveillance with a single system. Therefore, multiple surveillance systems and complementary studies must fit together as tiles in a “mosaic” to provide a complete pi…

CDC’s COVID-19 International Vaccine Implementation and Evaluation Program and Lessons from Earlier Vaccine Introductions Open

Heidi M. Soeters, Reena H. Doshi, Monica Fleming, Oluwasegun Joel Adegoke, Uzoamaka Ajene , et al. · 2022

The US Centers for Disease Control and Prevention (CDC) supports international partners in introducing vaccines, including those against SARS-CoV-2 virus. CDC contributes to the development of global technical tools, guidance, and policy f…

SARS-CoV-2 antibody prevalence in Sierra Leone, March 2021: a cross-sectional, nationally representative, age-stratified serosurvey Open

Mohamed Bailor Barrie, Sulaiman Lakoh, J. Daniel Kelly, Joseph Sam Kanu, James Sylvester Squire , et al. · 2021

Introduction As of 26 March 2021, the Africa Centres for Disease Control and Prevention had reported 4 159 055 cases of COVID-19 and 111 357 deaths among the 55 African Union member states; however, no country has published a nationally re…

SARS-CoV-2 antibody prevalence in Sierra Leone, March 2021: a cross-sectional, nationally representative, age-stratified serosurvey Open

Mohamed Bailor Barrie, Sulaiman Lakoh, J. Daniel Kelly, Joseph Sam Kanu, James Sylvester Squire , et al. · 2021

Background As of 26 March 2021, the Africa CDC had reported 4,159,055 cases of COVID-19 and 111,357 deaths among the 55 African Union Member States; however, no country has published a nationally representative serosurvey as of May 2021. S…

Testing early warning and response systems through a full-scale exercise in Vietnam Open

Alexey Clara, Duc-Anh Dang, Quy Tran, Phu Dac Tran, Tan Q. Dang , et al. · 2021

The practice of event-based surveillance: concept and methods Open

S. Arunmozhi Balajee, Stephanie J. Salyer, Blanche Greene-Cramer, Mahmoud Sadek, Anthony W. Mounts · 2021

Event-based surveillance (EBS) is the organised approach to the detection and reporting of ‘signals,’ defined as information that may represent events of public health importance, often through channels outside of routine surveillance syst…

Developing monitoring and evaluation tools for event-based surveillance: experience from Vietnam Open

Alexey Clara, Duc-Anh Dang, Anthony W. Mounts, Christina Bernadotte, Nguyễn Thị Huyền Trang , et al. · 2020

Gap in measles vaccination coverage among children aged 9 months to 10 years in Ho Chi Minh City, Viet Nam, 2014 Open

Hoang Quoc Cuong, Ho Nguyen, Hau Van Pham, Le Khanh Ha Nguyen, Trong Lan Nguyen , et al. · 2019

Introduction: When Viet Nam launched the Expanded Programme on Immunization in 1981, it covered six vaccines, including measles. Subsequently, Viet Nam experienced a marked reduction in measles infections. A nationwide measles epidemic occ…

Factors Influencing Community Event-based Surveillance: Lessons Learned from Pilot Implementation in Vietnam Open

Alexey Clara, Duc-Anh Dang, T. Trang, Phu Dac Tran, Quang D. Tran , et al. · 2018

Community event-based surveillance aims to enhance the early detection of emerging public health threats and thus build health security. The Ministry of Health of Vietnam launched a community event-based surveillance pilot program in 6 pro…

Event-Based Surveillance at Community and Healthcare Facilities, Vietnam, 2016–2017 Open

Alexey Clara, T. Trang, Duc-Anh Dang, Phu Dac Tran, Tan Q. Dang , et al. · 2018

Surveillance and outbreak reporting systems in Vietnam required improvements to function effectively as early warning and response systems. Accordingly, the Ministry of Health of Vietnam, in collaboration with the US Centers for Disease Co…

Event-Based Surveillance at Community and Healthcare Facilities, Vietnam, 2016–2017 Open

Alexey Clara, T. Trang, Duc-Anh Dang, Phu Dac Tran, Tan Q. Dang , et al. · 2018

Surveillance and outbreak reporting systems in Vietnam required improvements to function effectively as early warning and response systems. Accordingly, the Ministry of Health of Vietnam, in collaboration with the US Centers for Disease Co…

Zika preparedness and response in Viet Nam Open

Dong Thanh Nguyen, Hung Thai, Huy Xuan Le, Nghia Trung Le, Mai Quang Vien , et al. · 2018

The findings and conclusions in this article are those of the authors and do not necessarily represent the official positions of the United States Centers for Disease Control and Prevention.

Expanding severe acute respiratory infection (<span>SARI</span>) surveillance beyond influenza: The process and data from 1 year of implementation in Vietnam Open

Karen A. Alroy, Trang Nguyen Thi Thuy, Phu Dac Tran, Tan Q. Dang, Long Vu , et al. · 2018

Background In 2016, as a component of the Global Health Security Agenda, the Vietnam Ministry of Health expanded its existing influenza sentinel surveillance for severe acute respiratory infections ( SARI ) to include testing for 7 additio…

Revision of clinical case definitions: influenza-like illness and severe acute respiratory infection Open

Julia Fitzner, Saba Qasmieh, Anthony W. Mounts, Burmaa Alexander, Terry G. Besselaar , et al. · 2017

The formulation of accurate clinical case definitions is an integral part of an effective process of public health surveillance. Although such definitions should, ideally, be based on a standardized and fixed collection of defining criteri…

Sustainable Model for Public Health Emergency Operations Centers for Global Settings Open

Arunmozhi Balajee, Omer Pasi, Alain Georges Mballa Etoundi, Peter Rzeszotarski, T. Trang , et al. · 2017

Capacity to receive, verify, analyze, assess, and investigate public health events is essential for epidemic intelligence. Public health Emergency Operations Centers (PHEOCs) can be epidemic intelligence hubs by 1) having the capacity to r…

Sustainable Model for Public Health Emergency Operations Centers for Global Settings Open

S. Arunmozhi Balajee, Omer Pasi, Alain Georges Mballa Etoundi, Peter Rzeszotarski, T. Trang , et al. · 2017

Capacity to receive, verify, analyze, assess, and investigate public health events is essential for epidemic intelligence. Public health Emergency Operations Centers (PHEOCs) can be epidemic intelligence hubs by 1) having the capacity to r…

Changes in motorcycle-related injuries and deaths after mandatory motorcycle helmet law in a district of Vietnam Open

Ninh Thi Ha, David Ederer, Anh Vo Van Ha, An Van Pham, Anthony W. Mounts , et al. · 2017

Rates of head injuries and deaths among motorcycle riders decreased significantly after implementation of the mandatory helmet law in Vietnam. To further examine the impact of the motorcycle helmet law, including compliance and helmet qual…

Fetal Zika Virus Infection in Vietnam Open

Phan Trong Lan, Luong Chan Quang, Vu Thi Que Huong, Nguyen Vu Thuong, Phan Công Hùng , et al. · 2017

As of 13 July 2016, 13 countries have reported fetal Zika virus (ZIKV) infection. Here we report a case of fetal ZIKV infection that resulted from an infection originating in Vietnam.

Risk Factors for Primary Middle East Respiratory Syndrome Coronavirus Illness in Humans, Saudi Arabia, 2014 Open

Basem Alraddadi, John T. Watson, Abdulatif Almarashi, Glen R. Abedi, Amal Turkistani , et al. · 2015

Risk factors for primary Middle East respiratory syndrome coronavirus (MERS-CoV) illness in humans are incompletely understood. We identified all primary MERS-CoV cases reported in Saudi Arabia during March-November 2014 by excluding those…

Understanding the poultry trade network in Kenya: Implications for regional disease prevention and control Open

Margaret McCarron, Peninah Munyua, Po‐Yung Cheng, Thomas Manga, Cathryn W. Wanjohi , et al. · 2015

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