Sarah Christie
Associate Research ScientistCards
About
Titles
Associate Research Scientist
Biography
Sarah Christie is a Program Manager and Public Health Research specialist. She received her Masters in Public Health from New York University and her undergraduate Bachelor of Science degree in Psychology from the University of Connecticut. In 2022, she earned her PhD at the School of Public Health at the University of Western Cape with a focus on sexual and reproductive health service uptake among high school students in South Africa. Over the past two decades, she has managed a myriad of global health initiatives and research projects in New York and throughout Africa, including work with people living with HIV; adolescents and youth; mine workers; and key populations.
Last Updated on April 13, 2025.
Appointments
General Internal Medicine
Associate Research ScientistPrimary
Other Departments & Organizations
- All Institutions
- General Internal Medicine
- Internal Medicine
Research
Publications
2026
How to leverage social media to build confidence in COVID-19 vaccines: findings and lessons learned from nationwide campaigns in four countries
James E, Christie S, Boye B, Githieya D, Jamil Z, Obisa J, Palamar L, Tariq T, Khan K, Malik A, Melchinger H, Faller A, Bonnevie E, Mosley L, Lepage C, Bokemper S, Winters M, Gulaid M, Thomson A, Omer S. How to leverage social media to build confidence in COVID-19 vaccines: findings and lessons learned from nationwide campaigns in four countries. Vaccine 2026, 79: 128475. PMID: 41887021, DOI: 10.1016/j.vaccine.2026.128475.Peer-Reviewed Original ResearchIncreasing trust in science through a “Do Your Own Research” intervention
Winters M, Warren J, Melchinger H, Christie S, Omer S. Increasing trust in science through a “Do Your Own Research” intervention. Scientific Reports 2026, 16: 6790. PMID: 41620465, PMCID: PMC12916985, DOI: 10.1038/s41598-026-35268-0.Peer-Reviewed Original Research
2025
Debunking COVID-19 vaccine misinformation with an audio drama in Ghana, a randomized control trial
Winters M, Christie S, Melchinger H, Iddrisu I, Al Hassan H, Ewart E, Mosley L, Alhassan R, Shani N, Nyamuame D, Lepage C, Thomson A, Atif A, Omer S. Debunking COVID-19 vaccine misinformation with an audio drama in Ghana, a randomized control trial. Scientific Reports 2025, 15: 8955. PMID: 40089600, PMCID: PMC11910525, DOI: 10.1038/s41598-025-92731-0.Peer-Reviewed Original ResearchP-1280. Vaccinating Your Child During an Emergency Is More Important Than Ever: A Randomized Controlled Trial on Message Framing Among Ukrainian Refugees in Poland
Kleszczewska D, Sochoń-Latuszek A, Winters M, Lewtak K, Nurzhynska A, Yoruk K, Kukuła K, Bahruddinov M, Kusek A, Dzielska A, Maciejewski T, Mazur J, Melchinger H, Kinsman J, Christie S, Omer S. P-1280. Vaccinating Your Child During an Emergency Is More Important Than Ever: A Randomized Controlled Trial on Message Framing Among Ukrainian Refugees in Poland. Open Forum Infectious Diseases 2025, 12: ofae631.1461. PMCID: PMC11777220, DOI: 10.1093/ofid/ofae631.1461.Peer-Reviewed Original ResearchRandomized Controlled TrialsIntervention groupVaccination appointmentsPolish healthcare systemVaccine informationHealth workersIntervention messagesControl groupHealthcare systemRandomized to 1Years of ageInclusion criteriaRefugee mothersControlled TrialsPrimary outcomeIncreased intentionVaccination intentionAppointmentUkrainian refugeesVaccination coverageMothersInterventionUkrainian mothersRiskChildren
2024
Moral foundations messaging to improve vaccine attitudes: An online randomized experiment from Argentina.
Winters M, Christie S, Melchinger H, Arias N, Lirman L, Thomson A, Omer S. Moral foundations messaging to improve vaccine attitudes: An online randomized experiment from Argentina. PLOS Global Public Health 2024, 4: e0003276. PMID: 39546472, PMCID: PMC11567638, DOI: 10.1371/journal.pgph.0003276.Peer-Reviewed Original Research“Vaccinating your child during an emergency is more important than ever”: a randomised controlled trial on message framing among Ukrainian refugees in Poland, 2023
Winters M, Sochoń-Latuszek A, Nurzhynska A, Yoruk K, Kukuła K, Bahruddinov M, Kusek A, Kleszczewska D, Dzielska A, Maciejewski T, Mazur J, Melchinger H, Kinsman J, Kramarz P, Christie S, Omer S. “Vaccinating your child during an emergency is more important than ever”: a randomised controlled trial on message framing among Ukrainian refugees in Poland, 2023. Eurosurveillance 2024, 29: 2400159. PMID: 39328159, PMCID: PMC11484345, DOI: 10.2807/1560-7917.es.2024.29.39.2400159.Peer-Reviewed Original ResearchConceptsRefugee mothersRandomised controlled trialsHealth workersIntervention groupHealth systemHealth institutionsControl groupVulnerable populationsControlled TrialsPolish health systemPrimary outcomeVaccination intentionVaccine communicationPerceived importanceResultsThe studyChildrenRiskRefugee childrenVulnerability to infectionMessage framingMothersRefugees faceAimWeMethodsParticipantsHealthDeterminants of undervaccination of routine childhood immunization in Argentina: A cross-sectional study
Melchinger H, Winters M, Christie S, Arias N, Lirman L, Abeyesekera S, Thomson A, Omer S. Determinants of undervaccination of routine childhood immunization in Argentina: A cross-sectional study. Vaccine 2024, 42: 126235. PMID: 39182313, DOI: 10.1016/j.vaccine.2024.126235.Peer-Reviewed Original ResearchConceptsRoutine childhood immunizationChildhood immunizationRoutine immunizationAdverse side effectsCross-sectional studyOfficial health organizationsRoutine immunization coverageSide effectsVaccination scheduleTarget parentsImmunization coverageParental concernsImmunityVaccineUnder-vaccinationVaccination adviceHealth OrganizationEvidence to dateOlder parentsInfectious diseases
2023
Persuasive COVID-19 vaccination campaigns on Facebook and nationwide vaccination coverage in Ukraine, India, and Pakistan
Winters M, Christie S, Lepage C, Malik A, Bokemper S, Abeyesekera S, Boye B, Moini M, Jamil Z, Tariq T, Beresh T, Kazymyrova G, Palamar L, Paintsil E, Faller A, Seusan A, Bonnevie E, Smyser J, Khan K, Gulaid M, Francis S, Warren J, Thomson A, Omer S. Persuasive COVID-19 vaccination campaigns on Facebook and nationwide vaccination coverage in Ukraine, India, and Pakistan. PLOS Global Public Health 2023, 3: e0002357. PMID: 37756298, PMCID: PMC10529538, DOI: 10.1371/journal.pgph.0002357.Peer-Reviewed Original ResearchVaccine uptakeVaccination coverageCOVID-19 vaccination campaignCOVID-19 vaccine uptakeMessaging campaignsWeeks of interventionCOVID-19 vaccination dataPoisson regression modelsVaccination statusPre-post designVaccination dataVaccination intentionVaccination campaignTime pointsWeeksInterventionRCTsVaccineImportant predictorRegression modelsOffline effectsRobust evidenceUptakeTrialsAssessing changes in adolescent girls’ and young women’s sexual and reproductive health service utilisation following a COVID-19 lockdown in eSwatini
Brault M, Linnander E, Ginindza T, Mabuza K, Christie S, Canavan M, Jones A, Desai M. Assessing changes in adolescent girls’ and young women’s sexual and reproductive health service utilisation following a COVID-19 lockdown in eSwatini. Global Health Action 2023, 16: 2243760. PMID: 37565704, PMCID: PMC10424588, DOI: 10.1080/16549716.2023.2243760.Peer-Reviewed Original ResearchConceptsElectronic health record systemsYoung womenHealth service utilisationAdolescent girlsReproductive health service utilisationInterrupted time series analysisService utilisationHealth record systemsUtilisation dataMonthly visitsReproductive healthVisit trendsCOVID-19 lockdown periodRecord systemTwo-year periodCOVID-19 lockdownWomenSaharan AfricaSignificant changesCOVID-19 periodLockdown periodManzini regionGirlsEswatiniAGYW
2021
Girl Champ in eSwatini: A Strategic Marketing Campaign to Promote Demand for Sexual and Reproductive Health Services Among Young Women
Brault MA, Christie S, Manchia A, Mabuza K, Dlamini M, Linnander EL. Girl Champ in eSwatini: A Strategic Marketing Campaign to Promote Demand for Sexual and Reproductive Health Services Among Young Women. AIDS And Behavior 2021, 26: 853-863. PMID: 34463895, PMCID: PMC8840893, DOI: 10.1007/s10461-021-03446-y.Peer-Reviewed Original ResearchConceptsHIV servicesYoung womenHealth service utilizationDemand creation interventionsReproductive health servicesMixed-methods evaluationService utilizationHealth servicesLongitudinal improvementAdolescent girlsReproductive servicesAGYWBehavior changeWomenLimited awarenessParticipant feedbackParticipant feedback surveysManzini regionMethods evaluationQualitative interviewsYouth behavior changeClinicFindingsEswatiniFeedback survey
News
News
- March 16, 2024Source: Newvision
Newly launched selfcare tool pumps hope into heart patients
- June 12, 2023
Yale Institute for Global Health Launches “Digital Media for Health Outcomes” Certificate Course
- February 21, 2022Source: Yale Insights
The Keys to Trust in Public-Private Partnerships
- March 07, 2021Source: Project Last Mile
The Development of the Girl Champ Brand in eSwatini: Engaging the Private Sector to Promote Uptake of Health Services among Adolescent Girls and Young Women
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Contacts
Mailing Address
Global Health Leadership Initiative
2 Church Street South
New Haven, CT 06510
United States