J
James Nyagwange
Researcher at Wellcome Trust
Publications - 29
Citations - 589
James Nyagwange is an academic researcher from Wellcome Trust. The author has contributed to research in topics: Seroprevalence & Medicine. The author has an hindex of 8, co-authored 19 publications receiving 236 citations. Previous affiliations of James Nyagwange include International Livestock Research Institute & Wageningen University and Research Centre.
Papers
More filters
Journal ArticleDOI
Seroprevalence of anti–SARS-CoV-2 IgG antibodies in Kenyan blood donors
Sophie Uyoga,Ifedayo M. O. Adetifa,Ifedayo M. O. Adetifa,Henry K. Karanja,James Nyagwange,James Tuju,Perpetual Wanjiku,Rashid Aman,Mercy Mwangangi,Patrick Amoth,Kadondi Kasera,Wangari Ng’ang’a,Charles Rombo,Christine Yegon,Khamisi Kithi,Elizabeth Odhiambo,Thomas Rotich,Irene Orgut,Sammy Kihara,Mark Otiende,Christian Bottomley,Zonia N. Mupe,Eunice W. Kagucia,Katherine E. Gallagher,Katherine E. Gallagher,Anthony Etyang,Shirine Voller,Shirine Voller,John N. Gitonga,Daisy Mugo,Charles N. Agoti,Edward Otieno,Leonard Ndwiga,Teresa Lambe,Daniel B. Wright,Edwine Barasa,Benjamin Tsofa,Philip Bejon,Philip Bejon,Lynette Isabella Ochola-Oyier,Ambrose Agweyu,J. Anthony G. Scott,J. Anthony G. Scott,George M. Warimwe,George M. Warimwe +44 more
TL;DR: SARS-CoV-2 exposure is more extensive than indicated by case-based surveillance, and these results will help guide the pandemic response in Kenya and across Africa.
Posted ContentDOI
Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Kenyan blood donors
Sophie Uyoga,Ifedayo M. O. Adetifa,Henry K. Karanja,James Nyagwange,James Tuju,Perpetual Wanjiku,Rashid Aman,Mercy Mwangangi,Patrick Amoth,Kadondi Kasera,Wangari Ng’ang’a,Charles Rombo,Christine Yegon,Khamisi Kithi,Elizabeth Odhiambo,Thomas Rotich,Irene Orgut,Sammy Kihara,Mark Otiende,Christian Bottomley,Zonia N. Mupe,Eunice W. Kagucia,Katherine E. Gallagher,Katherine E. Gallagher,Anthony Etyang,Shirine Voller,Shirine Voller,John N. Gitonga,Daisy Mugo,Charles N. Agoti,Edward Otieno,Leonard Ndwiga,Teresa Lambe,Daniel B. Wright,Edwine Barasa,Benjamin Tsofa,Philip Bejon,Lynette Isabella Ochola-Oyier,Ambrose Agweyu,J. Anthony G. Scott,George M. Warimwe,George M. Warimwe +41 more
TL;DR: It is estimated that 1 in 20 adults in Kenya had SARS-CoV-2 antibodies during the study period, which contrasts, by several orders of magnitude, with the numbers of cases and deaths reported in parts of Europe and America when seroprevalence was similar.
Posted ContentDOI
COVID-19 transmission dynamics underlying epidemic waves in Kenya.
Samuel Brand,Samuel Brand,Samuel Brand,John Ojal,John Ojal,Rabia Aziza,Rabia Aziza,Vincent Were,Emelda A. Okiro,Emelda A. Okiro,Ivy K. Kombe,Caroline Mburu,Morris Ogero,Ambrose Agweyu,Ambrose Agweyu,George M. Warimwe,George M. Warimwe,James Nyagwange,Henry K. Karanja,John N. Gitonga,Daisy Mugo,Sophie Uyoga,Ifedayo M. O. Adetifa,Ifedayo M. O. Adetifa,J. Anthony G. Scott,J. Anthony G. Scott,Edward Otieno,Nickson Murunga,Mark Otiende,Lynette Isabella Ochola-Oyier,Charles N. Agoti,George Githinji,Kadondi Kasera,Patrick Amoth,Mercy Mwangangi,Rashid Aman,Wangari Ng’ang’a,Benjamin Tsofa,Philip Bejon,Philip Bejon,Matthew James Keeling,Matthew James Keeling,D. James Nokes,D. James Nokes,D. James Nokes,Edwine Barasa,Edwine Barasa +46 more
TL;DR: In this article, three COVID-19 epidemic waves have been observed in Kenya and the first two distinct waves were explained by differences in contact rates in high and low social-economic groups, and the third wave by the introduction of higher transmissibility variants.
Journal ArticleDOI
Temporal trends of SARS-CoV-2 seroprevalence during the first wave of the COVID-19 epidemic in Kenya.
Ifedayo M. O. Adetifa,Sophie Uyoga,John N. Gitonga,Daisy Mugo,Mark Otiende,James Nyagwange,Henry K. Karanja,James Tuju,Perpetual Wanjiku,Rashid Aman,Mercy Mwangangi,Patrick Amoth,Kadondi Kasera,Wangari Ng’ang’a,Charles Rombo,Christine Yegon,Khamisi Kithi,Elizabeth Odhiambo,Thomas Rotich,Irene Orgut,Sammy Kihara,Christian Bottomley,Eunice W. Kagucia,Katherine E. Gallagher,Katherine E. Gallagher,Anthony Etyang,Shirine Voller,Shirine Voller,Teresa Lambe,Daniel B. Wright,Edwine Barasa,Benjamin Tsofa,Philip Bejon,Philip Bejon,Lynette Isabella Ochola-Oyier,Ambrose Agweyu,J. Anthony G. Scott,J. Anthony G. Scott,J. Anthony G. Scott,George M. Warimwe,George M. Warimwe +40 more
TL;DR: In this paper, the authors measured SARS-CoV-2 IgG by ELISA in 9,922 blood donors across Kenya and adjusted for sampling bias and test performance, and reported that although most people remained susceptible, SARS had spread widely in Kenya with apparently low associated mortality.
Journal ArticleDOI
Seroprevalence of Antibodies to SARS-CoV-2 among Health Care Workers in Kenya.
Anthony Etyang,Ruth Lucinde,Henry K. Karanja,Catherine Kalu,Daisy Mugo,James Nyagwange,John N. Gitonga,James Tuju,Perpetual Wanjiku,Angela Karani,Shadrack Mutua,Hosea Maroko,Eddy Nzomo,Eric Maitha,Evanson Kamuri,Thuranira Kaugiria,Justus Weru,Lucy B. Ochola,Nelson Kilimo,Sande Charo,Namdala Emukule,Wycliffe Moracha,David Mukabi,Rosemary Okuku,Monicah Ogutu,Barrack Angujo,Mark Otiende,Christian Bottomley,Edward Otieno,Leonard Ndwiga,Amek Nyaguara,Shirine Voller,Shirine Voller,Charles N. Agoti,David James Nokes,Lynette Isabella Ochola-Oyier,Rashid Aman,Patrick Amoth,Mercy Mwangangi,Kadondi Kasera,Wangari Ng’ang’a,Ifedayo M. O. Adetifa,Ifedayo M. O. Adetifa,E Wangeci Kagucia,Katherine E. Gallagher,Katherine E. Gallagher,Sophie Uyoga,Benjamin Tsofa,Edwine Barasa,Philip Bejon,Philip Bejon,J. Anthony G. Scott,J. Anthony G. Scott,Ambrose Agweyu,George M. Warimwe,George M. Warimwe +55 more
TL;DR: In this article, the authors report findings from a survey among health care workers in three counties in Kenya, namely Kilifi, Busia, and Nairobi, where they tested for IgG antibodies to SARS-CoV-2 spike protein using ELISA.