Ochola-Oyier LI
64 results
Rethinking the evidence on COVID-19 in Africa.Bejon P, Agweyu A, Ochola-Oyier LI, Hamaluba M, Kamuya D, Kinyanjui S, Barasa E
Lancet Infect Dis, (2025). :
Detection of low frequency artemisinin resistance mutations, C469Y, P553L and A675V, and fixed antifolate resistance mutations in asymptomatic primary school children in Kenya.Osoti V, Wamae K, Ndwiga L, Gichuki PM, Okoyo C, Kepha S, Keitany K, Kandie R, Aricha S, Kiplagat R, Mwandawiro C, Bejon P, Snow RW, Ochola-Oyier LI
BMC Infect Dis, (2025). 25:73
Regional action needed to halt antimalarial drug resistance in Africa.Martinez-Vega R, Ishengoma DS, Gosling R, Rosenthal PJ, Dondorp A, Barnes KI, Nsanzabana C, Djimde AA, Ochola-Oyier LI, Tibenderana J, Chimumbwa J, Golassa L, Kapologwe NA, Mbacham WF, Kamya MR, Fidock DA, Komatsu R, von Seidlein L, Dhorda M
Lancet, (2025). 405:7-10
Evaluation of population immunity against SARS-CoV-2 variants, EG.5.1, FY.4, BA.2.86, JN.1, JN.1.4, and KP.3.1.1 using samples from two health demographic surveillance systems in Kenya.Lugano D, Kutima B, Kimani M, Sigilai A, Gitonga J, Karani A, Akech D, Karia B, Ziraba AK, Maina A, Lambisia A, Omuoyo D, Mugo D, Lucinde R, Owuor S, Konyino G, Newman J, Bailey D, Nduati E, Githinji G, Agoti CN, Bejon P, Scott JAG, Agweyu A, Kagucia W, Warimwe GM, Sande C, Ochola-Oyier LI, Nyagwange J
BMC Infect Dis, (2024). 24:1474
ONT sequencing identifies a high prevalence of crt sensitive, triple mutant dhfr and single mutant dhps parasites within an ANC population in Nigeria.Adegbola AJ, Ndwiga L, Wamae K, Osoti V, Bolaji OO, Bejon P, Ochola-Oyier LI
Front Genet, (2024). 15:1470156
The mRNA content of plasma extracellular vesicles provides a window into molecular processes in the brain during cerebral malaria.Kioko M, Mwangi S, Pance A, Ochola-Oyier LI, Kariuki S, Newton C, Bejon P, Rayner JC, Abdi AI
Sci Adv, (2024). 10:eadl2256
A retrospective analysis of P. falciparum drug resistance markers detects an early (2016/17) high prevalence of the k13 C469Y mutation in asymptomatic infections in Northern Uganda.Ogwang R, Osoti V, Wamae K, Ndwiga L, Muteru K, Ningwa A, Tuju J, Kinyanjui S, Osier F, Marsh K, Bejon P, Idro R, Ochola-Oyier LI
Antimicrob Agents Chemother, (2024). 68:e0157623
Editorial: Malaria molecular epidemiology current situation in Africa.Tandoh KZ, Duah-Quashie NO, Raman J, Ochola-Oyier LI
Front Epidemiol, (2024). 4:1400612
Distinct transcriptomic signatures define febrile malaria depending on initial infective states, asymptomatic or uninfected.Kimenyi KM, Akinyi MY, Mwikali K, Gilmore T, Mwangi S, Omer E, Gichuki B, Wambua J, Njunge J, Obiero G, Bejon P, Langhorne J, Abdi A, Ochola-Oyier LI
BMC Infect Dis, (2024). 24:140
Kinetics of naturally induced binding and neutralising anti-SARS-CoV-2 antibody levels and potencies among SARS-CoV-2 infected Kenyans with diverse grades of COVID-19 severity: an observational study.Kimotho J, Sein Y, Sayed S, Shah R, Mwai K, Saleh M, Wanjiku P, Mwacharo J, Nyagwange J, Karanja H, Kutima B, Gitonga JN, Mugo D, Karanu A, Moranga L, Oluoch V, Shah J, Mutiso J, Mburu A, Nneka Z, Betti P, Mutinda WU, Issak Abdi A, Bejon P, Ochola-Oyier LI, Warimwe GM, Nduati EW, Ndungu FM
Wellcome Open Res, (2023). 8:350
Low frequency of Plasmodium falciparum hrp2/3 deletions from symptomatic infections at a primary healthcare facility in Kilifi, Kenya.Okanda D, Ndwiga L, Osoti V, Achieng N, Wambua J, Ngetsa C, Lubell-Doughtie P, Shankar A, Bejon P, Ochola-Oyier LI
Front Epidemiol, (2023). 3:1083114
Extracellular vesicles could be a putative posttranscriptional regulatory mechanism that shapes intracellular RNA levels in Plasmodium falciparum.Kioko M, Pance A, Mwangi S, Goulding D, Kemp A, Rono M, Ochola-Oyier LI, Bull PC, Bejon P, Rayner JC, Abdi AI
Nature Communications, (2023). 14:6447
Symptom prevalence and secondary attack rate of SARS-CoV-2 in rural Kenyan households: A prospective cohort study.Gallagher KE, Nyiro J, Agoti CN, Maitha E, Nyagwange J, Karani A, Bottomley C, Murunga N, Githinji G, Mutunga M, Ochola-Oyier LI, Kombe I, Nyaguara A, Kagucia EW, Warimwe G, Agweyu A, Tsofa B, Bejon P, Scott JAG, Nokes DJ
Influenza Other Respir Viruses, (2023). 17:e13185
SARS-CoV-2 seroprevalence and implications for population immunity: Evidence from two Health and Demographic Surveillance System sites in Kenya, February-December 2022.Kagucia EW, Ziraba AK, Nyagwange J, Kutima B, Kimani M, Akech D, Ng'oda M, Sigilai A, Mugo D, Karanja H, Gitonga J, Karani A, Toroitich M, Karia B, Otiende M, Njeri A, Aman R, Amoth P, Mwangangi M, Kasera K, Ng'ang'a W, Voller S, Ochola-Oyier LI, Bottomley C, Nyaguara A, Munywoki PK, Bigogo G, Maitha E, Uyoga S, Gallagher KE, Etyang AO, Barasa E, Mwangangi J, Bejon P, Adetifa IMO, Warimwe GM, Scott JAG, Agweyu A
Influenza Other Respir Viruses, (2023). 17:e13173
New SARS-CoV-2 Omicron Variant with Spike Protein Mutation Y451H, Kilifi, Kenya, March-May 2023.Mwanga MJ, Lambisia AW, Morobe JM, Murunga N, Moraa E, Ndwiga L, Cheruiyot R, Musyoki J, Mutunga M, Guzman-Rincon LM, Sande C, Mwangangi J, Bejon P, Ochola-Oyier LI, Nokes DJ, Agoti CN, Nyiro J, Githinji G
Emerg Infect Dis, (2023). 29:
Pf7: an open dataset of Plasmodium falciparum genome variation in 20,000 worldwide samples.Abdel Hamid MM, Abdelraheem MH, Acheampong DO, Ahouidi A, Ali M, Almagro-Garcia J, Amambua-Ngwa A, Amaratunga C, Amenga-Etego L, Andagalu B, Anderson T, Andrianaranjaka V, Aniebo I, Aninagyei E, Ansah F, Ansah PO, Apinjoh T, Arnaldo P, Ashley E, Auburn S, Awandare GA, Ba H, Baraka V, Barry A, Bejon P, Bertin GI, Boni MF, Borrmann S, Bousema T, Bouyou-Akotet M, Branch O, Bull PC, Cheah H, Chindavongsa K, Chookajorn T, Chotivanich K, Claessens A, Conway DJ, Corredor V, Courtier E, Craig A, D'Alessandro U, Dama S, Day N, Denis B, Dhorda M, Diakite M, Djimde A, Dolecek C, Dondorp A, Doumbia S, Drakeley C, Drury E, Duffy P, Echeverry DF, Egwang TG, Enosse SMM, Erko B, Fairhurst RM, Faiz A, Fanello CA, Fleharty M, Forbes M, Fukuda M, Gamboa D, Ghansah A, Golassa L, Goncalves S, Harrison GLA, Healy SA, Hendry JA, Hernandez-Koutoucheva A, Hien TT, Hill CA, Hombhanje F, Hott A, Htut Y, Hussein M, Imwong M, Ishengoma D, Jackson SA, Jacob CG, Jeans J, Johnson KJ, Kamaliddin C, Kamau E, Keatley J, Kochakarn T, Konate DS, Konat� A, Kone A, Kwiatkowski DP, Kyaw MP, Kyle D, Lawniczak M, Lee SK, Lemnge M, Lim P, Lon C, Loua KM, Mandara CI, Marfurt J, Marsh K, Maude RJ, Mayxay M, Ma�ga-Ascofar� O, Miotto O, Mita T, Mobegi V, Mohamed AO, Mokuolu OA, Montgomery J, Morang'a CM, Mueller I, Murie K, Newton PN, Ngo Duc T, Nguyen T, Nguyen TN, Nguyen Thi Kim T, Nguyen Van H, Noedl H, Nosten F, Noviyanti R, Ntui VN, Nzila A, Ochola-Oyier LI, Ocholla H, Oduro A, Omedo I, Onyamboko MA, Ouedraogo JB, Oyebola K, Oyibo WA, Pearson R, Peshu N, Phyo AP, Plowe CV, Price RN, Pukrittayakamee S, Quang HH, Randrianarivelojosia M, Rayner JC, Ringwald P, Rosanas-Urgell A, Rovira-Vallbona E, Ruano-Rubio V, Ruiz L, Saunders D, Shayo A, Siba P, Simpson VJ, Sissoko MS, Smith C, Su XZ, Sutherland C, Takala-Harrison S, Talman A, Tavul L, Thanh NV, Thathy V, Thu AM, Toure M, Tshefu A, Verra F, Vinetz J, Wellems TE, Wendler J, White NJ, Whitton G, Yavo W, van der Pluijm RW
Wellcome Open Res, (2023). 8:22
Validation of saline, PBS and a locally produced VTM at varying storage conditions to detect the SARS-CoV-2 virus by qRT-PCR.Ngetsa C, Osoti V, Okanda D, Marura F, Shah K, Karanja H, Mugo D, Gitonga J, Mutunga M, Lewa C, Orindi B, Bejon P, Ochola-Oyier LI
PLoS One, (2023). 18:e0280685
A cross-sectional analysis identifies a low prevalence of Plasmodium ovale�species �infections in symptomatic and asymptomatic individuals in Kilifi county, Kenya.Akinyi MY, Chifwete M, Ndwiga L, Kimenyi KM, Osoti V, Ochola-Oyier LI
Wellcome Open Res, (2022). 7:207
SARS-CoV-2 seroprevalence in three Kenyan health and demographic surveillance sites, December 2020-May 2021.Etyang AO, Adetifa I, Omore R, Misore T, Ziraba AK, Ng'oda MA, Gitau E, Gitonga J, Mugo D, Kutima B, Karanja H, Toroitich M, Nyagwange J, Tuju J, Wanjiku P, Aman R, Amoth P, Mwangangi M, Kasera K, Ng'ang'a W, Akech D, Sigilai A, Karia B, Karani A, Voller S, Agoti CN, Ochola-Oyier LI, Otiende M, Bottomley C, Nyaguara A, Uyoga S, Gallagher K, Kagucia EW, Onyango D, Tsofa B, Mwangangi J, Maitha E, Barasa E, Bejon P, Warimwe GM, Scott JAG, Agweyu A
PLOS Glob Public Health, (2022). 2:e0000883
Serum immunoglobulin G and mucosal immunoglobulin A antibodies from prepandemic samples collected in Kilifi, Kenya, neutralize SARS-CoV-2 in vitro.Nyagwange J, Kutima B, Mwai K, Karanja HK, Gitonga JN, Mugo D, Sein Y, Wright D, Omuoyo DO, Nyiro JU, Tuju J, Nokes DJ, Agweyu A, Bejon P, Ochola-Oyier LI, Scott JAG, Lambe T, Nduati E, Agoti C, Warimwe GM
Int J Infect Dis, (2022). 127:11-16