Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1984 1
1997 1
1999 1
2014 15
2016 2
2019 2
2020 4
2021 8
2022 9
2023 8
2024 4
2025 4

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

52 results

Results by year

Filters applied: . Clear all
Page 1
Low-Dose Yellow Fever Vaccine in Adults in Africa.
Kimathi D, Juan-Giner A, Bob NS, Orindi B, Namulwana ML, Diatta A, Cheruiyot S, Fall G, Dia M, Hamaluba MM, Nyehangane D, Karanja HK, Gitonga JN, Mugo D, Omuoyo DO, Hussein M, Oloo E, Kamau N, Wafula J, Bendera J, Silvester N, Mwavita J, Joshua M, Mwendwa J, Agababyona C, Ngetsa C, Aisha N, Moki F, Buluku T, Munene M, Mwanga-Amumpaire J, Lutwama J, Kayiwa J, Kamaara E, Barrett AD, Kaleebu P, Bejon P, Sall AA, Grais RF, Warimwe GM; NIFTY Investigators. Kimathi D, et al. Among authors: gitonga jn. N Engl J Med. 2025 Feb 20;392(8):788-797. doi: 10.1056/NEJMoa2407293. N Engl J Med. 2025. PMID: 39970397 Free PMC article. Clinical Trial.
COVID-19 transmission dynamics underlying epidemic waves in Kenya.
Brand SPC, Ojal J, Aziza R, Were V, Okiro EA, Kombe IK, Mburu C, Ogero M, Agweyu A, Warimwe GM, Nyagwange J, Karanja H, Gitonga JN, Mugo D, Uyoga S, Adetifa IMO, Scott JAG, Otieno E, Murunga N, Otiende M, Ochola-Oyier LI, Agoti CN, Githinji G, Kasera K, Amoth P, Mwangangi M, Aman R, Ng'ang'a W, Tsofa B, Bejon P, Keeling MJ, Nokes DJ, Barasa E. Brand SPC, et al. Among authors: gitonga jn. Science. 2021 Nov 19;374(6570):989-994. doi: 10.1126/science.abk0414. Epub 2021 Oct 7. Science. 2021. PMID: 34618602 Free PMC article.
Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Kenyan blood donors.
Uyoga S, Adetifa IMO, Karanja HK, Nyagwange J, Tuju J, Wanjiku P, Aman R, Mwangangi M, Amoth P, Kasera K, Ng'ang'a W, Rombo C, Yegon C, Kithi K, Odhiambo E, Rotich T, Orgut I, Kihara S, Otiende M, Bottomley C, Mupe ZN, Kagucia EW, Gallagher KE, Etyang A, Voller S, Gitonga JN, Mugo D, Agoti CN, Otieno E, Ndwiga L, Lambe T, Wright D, Barasa E, Tsofa B, Bejon P, Ochola-Oyier LI, Agweyu A, Scott JAG, Warimwe GM. Uyoga S, et al. Among authors: gitonga jn. Science. 2021 Jan 1;371(6524):79-82. doi: 10.1126/science.abe1916. Epub 2020 Nov 11. Science. 2021. PMID: 33177105 Free PMC article.
Meeting report: CEPI workshop on Rift Valley fever epidemiology and modeling to inform human vaccine development, Nairobi, 4-5 June 2024.
Gharpure R, Vegvari C, Abdissa A, Alimi Y, Anyamba A, Auerbach J, Bett B, Bird BH, Bob NS, Breugelmans JG, Clark J, Cleaveland S, Cramer J, Dawa J, Fay PC, Formenty P, Gerdts V, Gerken KN, Gitonga J, Groschup M, Heighway J, Johnson SAM, Juma J, Kading RC, Kamau M, Kerama S, Lubisi BA, Lutwama J, Luyimbazi D, Marami D, Moore SM, Muturi M, Mwangoka G, Ndiu A, Njenga MK, Njouom R, Nyakarahuka L, Nzietchueng S, Oloo P, Otiende M, Oyola S, Paganini LS, Pandit PS, Punt C, Samy AM, Situma S, Sneddon H, Ten Bosch QA, Tezcan-Ulger S, Thompson PN, Tildesley M, Tinto B, Vesga JF, Wichgers Schreur PP, Hart P. Gharpure R, et al. Among authors: gitonga j. Vaccine. 2025 Apr 30;54:126860. doi: 10.1016/j.vaccine.2025.126860. Epub 2025 Mar 18. Vaccine. 2025. PMID: 40101455 Free PMC article.
Quantifying previous SARS-CoV-2 infection through mixture modelling of antibody levels.
Bottomley C, Otiende M, Uyoga S, Gallagher K, Kagucia EW, Etyang AO, Mugo D, Gitonga J, Karanja H, Nyagwange J, Adetifa IMO, Agweyu A, Nokes DJ, Warimwe GM, Scott JAG. Bottomley C, et al. Among authors: gitonga j. Nat Commun. 2021 Oct 26;12(1):6196. doi: 10.1038/s41467-021-26452-z. Nat Commun. 2021. PMID: 34702829 Free PMC article.
Seroprevalence of Antibodies to Severe Acute Respiratory Syndrome Coronavirus 2 Among Healthcare Workers in Kenya.
Etyang AO, Lucinde R, Karanja H, Kalu C, Mugo D, Nyagwange J, Gitonga J, Tuju J, Wanjiku P, Karani A, Mutua S, Maroko H, Nzomo E, Maitha E, Kamuri E, Kaugiria T, Weru J, Ochola LB, Kilimo N, Charo S, Emukule N, Moracha W, Mukabi D, Okuku R, Ogutu M, Angujo B, Otiende M, Bottomley C, Otieno E, Ndwiga L, Nyaguara A, Voller S, Agoti CN, Nokes DJ, Ochola-Oyier LI, Aman R, Amoth P, Mwangangi M, Kasera K, Ng'ang'a W, Adetifa IMO, Wangeci Kagucia E, Gallagher K, Uyoga S, Tsofa B, Barasa E, Bejon P, Scott JAG, Agweyu A, Warimwe GM. Etyang AO, et al. Among authors: gitonga j. Clin Infect Dis. 2022 Jan 29;74(2):288-293. doi: 10.1093/cid/ciab346. Clin Infect Dis. 2022. PMID: 33893491 Free PMC article.
Incidence of chikungunya virus infections among Kenyan children with neurological disease, 2014-2018: A cohort study.
Nyamwaya DK, Otiende M, Mwango L, Kariuki SM, Otieno B, Omuoyo DO, Githinji G, Kitsao BS, Karanja HK, Gitonga JN, de Laurent ZR, Davies A, Mwarumba S, Agoti CN, Thumbi SM, Hamaluba MM, Newton CR, Bejon P, Warimwe GM. Nyamwaya DK, et al. Among authors: gitonga jn. PLoS Med. 2022 May 12;19(5):e1003994. doi: 10.1371/journal.pmed.1003994. eCollection 2022 May. PLoS Med. 2022. PMID: 35550620 Free PMC article.
Temporal trends of SARS-CoV-2 seroprevalence during the first wave of the COVID-19 epidemic in Kenya.
Adetifa IMO, Uyoga S, Gitonga JN, Mugo D, Otiende M, Nyagwange J, Karanja HK, Tuju J, Wanjiku P, Aman R, Mwangangi M, Amoth P, Kasera K, Ng'ang'a W, Rombo C, Yegon C, Kithi K, Odhiambo E, Rotich T, Orgut I, Kihara S, Bottomley C, Kagucia EW, Gallagher KE, Etyang A, Voller S, Lambe T, Wright D, Barasa E, Tsofa B, Bejon P, Ochola-Oyier LI, Agweyu A, Scott JAG, Warimwe GM. Adetifa IMO, et al. Among authors: gitonga jn. Nat Commun. 2021 Jun 25;12(1):3966. doi: 10.1038/s41467-021-24062-3. Nat Commun. 2021. PMID: 34172732 Free PMC article.
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. Etyang AO, et al. Among authors: gitonga j. PLOS Glob Public Health. 2022 Aug 18;2(8):e0000883. doi: 10.1371/journal.pgph.0000883. eCollection 2022. PLOS Glob Public Health. 2022. PMID: 36962821 Free PMC article.
52 results