Publications by authors named "Andrew Obala"

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Incidence of Severe Acute Respiratory Syndrome Coronavirus 2 Neutralizing Antibodies in a Rural Community in Western Kenya during the First 24 Months of the Coronavirus Disease 2019 Pandemic.
Daja D Gaston, Christine F Markwalter, Jillian T Grassia, Betsy Freedman, Lin-Fa Wang, Andrew A Obala

Am J Trop Med Hyg· November 2025

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Do Piperonyl Butoxide Long-Lasting Insecticide Treated Nets Provide Additional Protection Against Malaria Infections Compared with Conventional Nets in an Operational Setting in Western Kenya?
Karla Rascón-García, Zena Lapp, Christine F Markwalter, Emmah Kimachas, Lucy Abel, Andrew Obala

Am J Trop Med Hyg· November 2025

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Sickle-trait hemoglobin does not influence biting rates.
Christine F Markwalter, Emmah Kimachas, Erastus Kirwa, Joseph Kipkoech, Samuel Kahindi, Andrew A Obala

medRxiv· November 2025

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What is the potential impact of insecticide treated nets in a semi-arid region of northern Kenya? An investigation of vector populations prior to ITN roll-out in Turkana, Kenya.
Lucy Abel, Samuel Kahindi, David Ekai, Erastus Kirwa, Rebecca Lokwang, Andrew Obala

Res Sq· September 2025

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Relationship between malaria vector survival, infectivity, and insecticide-treated net use in western Kenya.
Lucy Abel, Emma Kimachas, Evans Omollo, Erick Nalianya, Tabitha Chepkwony, Andrew Obala

Parasit Vectors· November 2024

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Analytic optimization of Plasmodium falciparum marker gene haplotype recovery from amplicon deep sequencing of complex mixtures.
Zena Lapp, Elizabeth Freedman, Kathie Huang, Christine F Markwalter, Andrew A Obala

PLOS Glob Public Health· May 2024

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Plasmodium falciparum infection in humans and mosquitoes influence natural Anopheline biting behavior and transmission.
Christine F Markwalter, Zena Lapp, Lucy Abel, Emmah Kimachas, Evans Omollo, Andrew A Obala

Nat Commun· May 2024

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Risk of Malaria Following Untreated Subpatent Plasmodium falciparum Infections: Results Over 4 Years From a Cohort in a High-Transmission Area in Western Kenya.
Erica E Zeno, Andrew A Obala, Brian Pence, Elizabeth Freedman, Judith N Mangeni

J Infect Dis· April 2024

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Characterizing mobility patterns and malaria risk factors in semi-nomadic populations of Northern Kenya.
Hannah R Meredith, Amy Wesolowski, Dennis Okoth, Linda Maraga, George Ambani, Andrew A Obala

PLOS Glob Public Health· March 2024

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Relationship between malaria vector survival, infectivity and insecticide treated net use in western Kenya.
Lucy Abel, Emma Kimachas, Evans Omollo, Erick Nalianya, Tabitha Chepkwony, Andrew Obala

Res Sq· March 2024

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bistro: An R package for vector bloodmeal identification by short tandem repeat overlap.
Zena Lapp, Lucy Abel, Judith Mangeni, Andrew A Obala, Wendy P O'Meara

Methods Ecol Evol· February 2024

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Detection of Anopheles stephensi Mosquitoes by Molecular Surveillance, Kenya.
Eric O Ochomo, Sylvia Milanoi, Bernard Abong'o, Brenda Onyango, Margaret Muchoki, Andrew Obala

Emerg Infect Dis· December 2023

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Characterizing mobility patterns and malaria risk factors in semi-nomadic populations of Northern Kenya.
Hannah R Meredith, Amy Wesolowski, Dennis Okoth, Linda Maraga, George Ambani, Andrew A Obala

medRxiv· December 2023

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Plasmodium vivax Prevalence in Semiarid Region of Northern Kenya, 2019.
Wendy Prudhomme O'Meara, Linda Maraga, Hannah Meredith, Daniel Esimit, Gilchrist Lokoel, Andrew Obala

Emerg Infect Dis· November 2023

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bistro: An R package for vector bloodmeal identification by short tandem repeat overlap.
Zena Lapp, Lucy Abel, Judith Mangeni, Andrew A Obala, Wendy O'Meara

medRxiv· September 2023

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Analytic optimization of marker gene haplotype recovery from amplicon deep sequencing of complex mixtures.
Zena Lapp, Elizabeth Freedman, Kathie Huang, Christine F Markwalter, Andrew A Obala

medRxiv· August 2023

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Symptomatic malaria enhances protection from reinfection with homologous Plasmodium falciparum parasites.
Christine F Markwalter, Jens E V Petersen, Erica E Zeno, Kelsey M Sumner, Elizabeth Freedman, Andrew A Obala

PLoS Pathog· June 2023

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Exploring how space, time, and sampling impact our ability to measure genetic structure across populations.
Rohan Arambepola, Sophie Bérubé, Betsy Freedman, Steve M Taylor, Wendy Prudhomme O'Meara, Andrew A Obala

Front Epidemiol· February 2023

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Symptomatic malaria enhances protection from reinfection with homologous parasites.
Christine F Markwalter, Jens E V Petersen, Erica E Zeno, Kelsey M Sumner, Elizabeth Freedman, Andrew A Obala

medRxiv· January 2023

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Plasmodium falciparum Genetic Diversity in Coincident Human and Mosquito Hosts.
Zena Lapp, Andrew A Obala, Lucy Abel, David A Rasmussen, Kelsey M Sumner

mBio· October 2022

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Experience and confidence in health technologies: evidence from malaria testing and treatment in Western Kenya.
Judith N Mangeni, Lucy Abel, Steve M Taylor, Andrew Obala, Wendy Prudhomme O'Meara

BMC Public Health· September 2022

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Plasmodium falciparum importation does not sustain malaria transmission in a semi-arid region of Kenya.
Christine F Markwalter, Diana Menya, Amy Wesolowski, Daniel Esimit, Gilchrist Lokoel, Andrew A Obala

PLOS Glob Public Health· August 2022

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SARS-CoV-2 Cross-Reactivity in Prepandemic Serum from Rural Malaria-Infected Persons, Cambodia.
Jillian T Grassia, Christine F Markwalter, Wendy P O'Meara, Steve M Taylor, Andrew A Obala

Emerg Infect Dis· May 2022

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The prevalence and density of asymptomatic Plasmodium falciparum infections among children and adults in three communities of western Kenya.
Christina Salgado, George Ayodo, Michael D Macklin, Meetha P Gould, Srinivas Nallandhighal, Andrew Obala

Malar J· September 2021

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Epidemiology of Plasmodium falciparum Infections in a Semi-Arid Rural African Setting: Evidence from Reactive Case Detection in Northwestern Kenya.
Hannah R Meredith, Amy Wesolowski, Diana Menya, Daniel Esimit, Gilchrist Lokoel, Andrew A Obala

Am J Trop Med Hyg· August 2021

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