Hellen Koka

P. O. Box 54840-00200, Mbagathi Way
Nairobi, 00200, Kenya

Last Updated: 09/26/2026

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Found 19 publications

Isolation and molecular characterization of West Nile Virus with evidence of vertical transmission in the Coastal region, Kenya.

Isolation and molecular characterization of West Nile Virus with evidence of vertical transmission in the Coastal region, Kenya.

Journal: Microbiology spectrum

Published: August 25, 2026

Combining Morphological and Molecular Tools Can Enhance Tick Species Identification for Improved Tick-Borne Disease Surveillance Among Pastoral Communities in Kenya.

Combining Morphological and Molecular Tools Can Enhance Tick Species Identification for Improved Tick-Borne Disease Surveillance Among Pastoral Communities in Kenya.

Journal: Vector borne and zoonotic diseases (Larchmont, N.Y.)

Published: October 31, 2024

Detection and prevalence of a novel Bandavirus related to Guertu virus in Amblyomma gemma ticks and human populations in Isiolo County, Kenya.

Detection and prevalence of a novel Bandavirus related to Guertu virus in Amblyomma gemma ticks and human populations in Isiolo County, Kenya.

Journal: PloS one

Published: May 27, 2024

Characterization of West Nile virus Koutango lineage from phlebotomine sandflies in Kenya.

Characterization of West Nile virus Koutango lineage from phlebotomine sandflies in Kenya.

Journal: PloS one

Published: March 25, 2024

Isolation and Growth Kinetics of Bogoria Virus from Phlebotomine Sandflies Sampled in Baringo, Kenya.

Isolation and Growth Kinetics of Bogoria Virus from Phlebotomine Sandflies Sampled in Baringo, Kenya.

Journal: The American journal of tropical medicine and hygiene

Published: January 16, 2024

Genetic diversity of Aedes aegypti populations from Kisumu and Busia counties, western Kenya, and their vector competence for chikungunya virus.

Genetic diversity of Aedes aegypti populations from Kisumu and Busia counties, western Kenya, and their vector competence for chikungunya virus.

Journal: PloS one

Published: July 12, 2023

Whole-genome sequence analysis reveals the circulation of multiple SARS-CoV-2 variants of concern in Nairobi and neighboring counties, Kenya between March and July 2021.

Whole-genome sequence analysis reveals the circulation of multiple SARS-CoV-2 variants of concern in Nairobi and neighboring counties, Kenya between March and July 2021.

Journal: Virology journal

Published: October 27, 2021

Evidence of circulation of Orthobunyaviruses in diverse mosquito species in Kwale County, Kenya.

Evidence of circulation of Orthobunyaviruses in diverse mosquito species in Kwale County, Kenya.

Journal: Virology journal

Published: May 03, 2021

Probable contribution of Culex quinquefasciatus mosquitoes to the circulation of chikungunya virus during an outbreak in Mombasa County, Kenya, 2017-2018.

Probable contribution of Culex quinquefasciatus mosquitoes to the circulation of chikungunya virus during an outbreak in Mombasa County, Kenya, 2017-2018.

Journal: Parasites & vectors

Published: November 27, 2020

Emergence of a novel chikungunya virus strain bearing the E1:V80A substitution, out of the Mombasa, Kenya 2017-2018 outbreak.

Emergence of a novel chikungunya virus strain bearing the E1:V80A substitution, out of the Mombasa, Kenya 2017-2018 outbreak.

Journal: PloS one

Published: June 17, 2020

Human and entomologic investigations of chikungunya outbreak in Mandera, Northeastern Kenya, 2016.

Human and entomologic investigations of chikungunya outbreak in Mandera, Northeastern Kenya, 2016.

Journal: PloS one

Published: May 30, 2018

Coxiella burnetii Detected in Tick Samples from Pastoral Communities in Kenya.

Coxiella burnetii Detected in Tick Samples from Pastoral Communities in Kenya.

Journal: BioMed research international

Published: February 28, 2018

Showing 1-12 of 19

Last Updated: 09/26/2026