Publications by authors named "Christina Polyak"

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Loss to Follow up and Visit Non-Adherence in an HIV Incidence Cohort in Kisumu, Kenya.
Elisavet Serti, Danielle Bartolanzo, Seth Frndak, John Owuoth, Adam Yates, Christina S Polyak

J Acquir Immune Defic Syndr· December 2025

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One year follow up of phase 1/2 randomized, placebo controlled trial of NDV-HXP-S vaccine in Thailand.
Weerapong Phumratanaprapin, Viravarn Luvira, Saranath Lawpoolsri, Juthaporn Cowan, Sant Muangnoicharoen, Christina S Polyak

NPJ Vaccines· November 2025

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A retrospective analysis of maternal factors, access of prevention of vertical transmission resources, and infant preterm delivery and mortality.
Jeanette T Van Steyn, Nicole Dear, Allahna Esber, Seth Frndak, Hannah Kibuuka, Christina S Polyak

AIDS· October 2025

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Plasma Inflammatory Biomarkers Link to Worse Cognition Among Africans With HIV.
Andjelika Milicic, Samuel Wilson, Shireen Javandel, Isabel Elaine Allen, Elena Tsoy, Christina S Polyak

J Acquir Immune Defic Syndr· August 2025

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Immune responses to a heterologous booster with mRNA based COVID-19 vaccine after priming with an inactivated Newcastle disease virus recombinant vaccine expressing the SARS-CoV-2 spike protein (NDV-HXP-S).
Viravarn Luvira, Saranath Lawpoolsri, Weerapong Phumratanaprapin, Anan Jongkaewwattana, Sira Nanthapisal, Christina S Polyak

Vaccine· August 2025

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Factors Associated With Interest in HIV Pre-exposure Prophylaxis Among Men and Women in Kisumu County, Kenya: A Secondary Analysis of the RV393 Cohort Study.
José I Gutierrez, Adam Yates, Patrick W Hickey, Valentine Sing'oei, John Owuoth, Christina S Polyak

J Assoc Nurses AIDS Care· July 2025

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Safety and immunogenicity of an inactivated recombinant Newcastle disease virus vaccine expressing SARS-CoV-2 spike: Results of a randomized vaccine-controlled phase I ADAPTCOV trial in Brazil.
Érique José Farias Peixoto de Miranda, Rodrigo T Calado, Fernanda Castro Boulos, José Alfredo de Sousa Moreira, Fabiane Fernandes Machado, Christina Polyak

Vaccine· April 2025

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Profiles of Sexual Economic Exchanges among Women in Kisumu, Kenya: A Latent Class Analysis.
Mary Anne E Roach, Talia Loeb, Kalai Willis, Valentine Sing'oei, John Owuoth, Christina S Polyak

Arch Sex Behav· February 2025

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Safety and Immunogenicity of Accelerated Heterologous 2-Dose Ebola Vaccine Regimens in Adults With and Without HIV in Africa.
Betty Mwesigwa, Fredrick Sawe, Janet Oyieko, Joel Mwakisisile, Edna Viegas, Christina S Polyak

Clin Infect Dis· October 2024

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HIV incidence and its associated factors among young adults with multiple sexual partners in Maputo, Mozambique: a vaccine preparedness study.
Ivalda Macicame, Nilesh Bhatt, Edna Viegas, Adam Yates, Chiaka Nwoga, Christina S Polyak

BMC Public Health· October 2024

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Persistent low-level viraemia is associated with non-infectious comorbidities in an observational cohort in four African countries.
Allahna L Esber, Suze Colt, Ningbo Jian, Nicole Dear, Bonnie Slike, Christina S Polyak

J Int AIDS Soc· August 2024

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Cumulative exposure to depressive symptoms and all-cause mortality among adults with HIV in Kenya, Nigeria, Tanzania, and Uganda.
Christopher G Kemp, Brian W Pence, Jennifer Velloza, Tessa Concepcion, Modhurima Moitra, Christina S Polyak

AIDS· July 2024

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Advanced HIV disease in East Africa and Nigeria, in The African Cohort Study.
Ikwo K Oboho, Allahna L Esber, Nicole Dear, Heather N Paulin, Michael Iroezindu, Christina S Polyak

J Acquir Immune Defic Syndr· May 2024

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HIV prevalence and awareness among adults presenting for enrolment into a study of people at risk for HIV in Kisumu County, Western Kenya.
Valentine Sing'oei, Chiaka Nwoga, Adam Yates, John Owuoth, June Otieno, Christina S Polyak

PLoS One· January 2024

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Implications of asymptomatic malaria infections on hematologic parameters in adults living with HIV in malaria-endemic regions with varying transmission intensities.
Edwin Kamau, Risper Maisiba, Nicole Dear, Allahna Esber, Ajay P Parikh, Christina S Polyak

Int J Infect Dis· December 2023

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Achieving the third 95 in sub-Saharan Africa: application of machine learning approaches to predict viral failure.
Allahna L Esber, Nicole F Dear, David King, Leilani V Francisco, Valentine Sing'oei, Christina S Polyak

AIDS· October 2023

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Early sexual debut is associated with drug use and decreased educational attainment among males and females in Kisumu County, Kenya.
Valentine Sing'oei, John K Owuoth, June Otieno, Adam Yates, Ben Andagalu, Christina S Polyak

Reprod Health· July 2023

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Epidemiology of Tuberculosis Among People Living With HIV in the African Cohort Study From 2013 to 2021.
Kavitha Ganesan, Ronald Mwesigwa, Nicole Dear, Allahna L Esber, Domonique Reed, Christina S Polyak

J Acquir Immune Defic Syndr· April 2023

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Perinatal Depressive Symptoms and Viral Non-suppression Among a Prospective Cohort of Pregnant Women Living with HIV in Nigeria, Kenya, Uganda, and Tanzania.
Tessa Concepcion, Jennifer Velloza, Christopher G Kemp, Amritha Bhat, Ian M Bennett, Christina S Polyak

AIDS Behav· March 2023

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High-risk human papillomavirus genotype distribution among women living with and at risk for HIV in Africa.
Mkunde Chachage, Ajay P Parikh, Anifrid Mahenge, Emmanuel Bahemana, Jonathan Mnkai, Christina S Polyak

AIDS· March 2023

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Dissecting drivers of immune activation in chronic HIV-1 infection.
Hendrik Streeck, Alvino Maestri, Daniel Habermann, Trevor A Crowell, Allahna L Esber, Christina S Polyak

EBioMedicine· September 2022

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Non-communicable diseases by age strata in people living with and without HIV in four African countries.
David Chang, Allahna L Esber, Nicole F Dear, Michael Iroezindu, Emmanuel Bahemana, Christina S Polyak

J Int AIDS Soc· September 2022

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Transitioning women to first-line preferred TLD regimen is lagging in Sub-Saharan Africa.
Neha Shah, Allahna Esber, J Sean Cavanaugh, Patricia Agaba, Nicole Dear, Christina S Polyak

Clin Infect Dis· July 2022

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Assessment of tuberculosis disease activity in people infected with and living with HIV: A longitudinal cohort study.
Inge Kroidl, Mohamed I M Ahmed, Sacha Horn, Christina Polyak, Allahna Esber

EClinicalMedicine· July 2022

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Weight gain during the dolutegravir transition in the African Cohort Study.
Allahna L Esber, David Chang, Michael Iroezindu, Emmanuel Bahemana, Hannah Kibuuka, Christina S Polyak

J Int AIDS Soc· April 2022

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