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82.1 %The dominant B.1 lineage (European origin) accounted for 82.1% of the cases.

KenyaCOVID-19published 2020Tracking the introduction and spread of SARS-CoV-2 in coastal Kenyaeurope_pmcdocument of 3 observationsDOI 10.1101/2020.10.05.20206730

1.5 aORThe adjusted odds of severe COVID-19 were 50% higher among patients with hypertension (adjusted odds ratio [aOR] 1.50).

KenyaCOVID-19 · hypertension artériellepublished 2025Global health actionPubMeddocument of 11 observations

1.51 aORSRI patients presenting with runny nose were more likely to have SARS-CoV-2 infection compared to those who did not, with an adjusted odds ratio of 1.51.

KenyaCOVID-19observed July 2022 to October 2023published 2026VaccinePubMeddocument of 8 observations

The most recent common ancestor of the six Comoros SARS-CoV-2 genomes was dated to 30th Oct-2020, with a 95% credibility interval from 6th Sep-2020 to 10th Dec-2020.

KenyaCOVID-19observed 30th Oct-2020published 2021Wellcome open researcheurope_pmcdocument of 3 observations

2.21 aORParticipants who reported a sexual or injecting partner diagnosed with SARS-CoV-2 were twofold more likely to have SARS-CoV-2 antibodies detected (aOR = 2.21, 95% CI 1.06, 4.58; p < 0.032).

KenyaCOVID-19observed 2021published 2023Harm reduction journalPubMeddocument of 6 observations

42 %In the first two years of the pandemic, 42% of low- and middle-income countries sequenced more than 0.5% of their COVID-19 cases.

KenyaCOVID-19observed first two years of the pandemicpublished 2022Nature communicationseurope_pmcdocument of 4 observations

76 introductionsPhylogenetic analysis identified at least 76 independent SARS-CoV-2 introductions into Kenyan coast.

KenyaCOVID-19published 2020Tracking the introduction and spread of SARS-CoV-2 in coastal Kenyaeurope_pmcdocument of 3 observationsDOI 10.1101/2020.10.05.20206730

30.8 %The Delta variant was detected in 30.8% of persons aged 31 to 45 years among SARS-CoV-2 cases in Laikipia county, Kenya.

KenyaCOVID-19observed 24th April to 31st December 2021published 2023Temporal distribution and clinical characteristics of the Alpha, Delta and Omicron SARS-Coeurope_pmcdocument of 10 observations

82.1 %The dominant B.1 lineage (European origin) accounted for 82.1% of the cases during the early phase of the Kenyan pandemic.

KenyaB.1 lineage · COVID-19published 2020Tracking the introduction and spread of SARS-CoV-2 in coastal Kenyaeurope_pmcdocument of 3 observationsDOI 10.21203/rs.3.rs-93975/v1

42 %In Kisumu, seroprevalence of anti-SARS-CoV-2 IgG was 42.0% (95% CI 34.7–50.0%) at the end of the study period.

KenyaCOVID-19published 2022PLOS global public healtheurope_pmcdocument of 7 observationsDOI 10.1371/journal.pgph.0000883

97.5 %Most participants with positive SARS-CoV-2 RT-PCR were asymptomatic (97.5%) in Kenya, Uganda, Tanzania, and Nigeria between 19 July 2022 and 1 March 2024.

Kenya · Nigeria · Ouganda · TanzanieCOVID-19observed 19 July 2022 to 1 March 2024published 2025BMC infectious diseasesPubMeddocument of 8 observations

56 %Lineage B.1 accounted for 56% of sequenced SARS-CoV-2 infections in Coastal Kenya during Wave 2.

KenyaCOVID-19observed Wave 2published 2022eLifeeurope_pmcdocument of 6 observations

2 %Three (2%) patients with malaria co-infection and nine (2%) without malaria were hospitalised.

KenyaCOVID-19 · paludismepublished 2026The Lancet. Global healthPubMeddocument of 8 observations

Interwave intervals for SARS-CoV-2 infection in coastal Kenya increased from ≤3 months in 2021 to ≥6 months in 2024.

KenyaCOVID-19observed 2021, 2024published 2026Open forum infectious diseaseseurope_pmcdocument of 4 observations

97.6 %Among 2796 reviewed COVID-19 case records in Kenya, 2730 (97.6%) were Kenyans.

KenyaCOVID-19published 2022Journal of global healthPubMeddocument of 24 observations

280 importations280 SARS-CoV-2 virus importations into Coastal Kenya were estimated over the study period from March 2020 to February 2021.

KenyaCOVID-19observed March 2020 to February 2021published 2022eLifeeurope_pmcdocument of 6 observations

21.8 %Among 2796 reviewed COVID-19 case records in Kenya, 609 (21.8%) had underlying medical conditions.

KenyaCOVID-19published 2022Journal of global healthPubMeddocument of 24 observations

53.1 %Among SARS-CoV-2 positive cases in coastal Kenya, fever was present in 53.1% of cases.

KenyaCOVID-19published 2025Longitudinal Epidemiology and Variant Dynamics of SARS-CoV-2 in Coastal Kenya (2020 - 2025europe_pmcdocument of 8 observations

63.01 %If SARS-CoV-2 self-testing were unavailable free-of-charge, 63.01% of participants would pay for it.

KenyaCOVID-19observed August 2021published 2022International journal of public healtheurope_pmcdocument of 6 observations

92 %Most international viral exports (92%) occurred through Mombasa City during March 2020 to February 2021.

KenyaCOVID-19observed March 2020 - February 2021published 2021Transmission networks of SARS-CoV-2 in coastal Kenya during the first two waves: a retrospeurope_pmcdocument of 4 observationsDOI 10.1101/2021.07.01.21259583

58 %Most international viral imports (58%) and exports (92%) occurred through Mombasa City during March 2020 to February 2021.

KenyaCOVID-19observed March 2020 - February 2021published 2021Transmission networks of SARS-CoV-2 in coastal Kenya during the first two waves: a retrospeurope_pmcdocument of 4 observationsDOI 10.1101/2021.07.01.21259583

930 introductionsA total of 930 SARS-CoV-2 introductions in Kenya between March 2020 and September 2022 were associated with variants of concern.

KenyaCOVID-19observed March 2020 – September 2022published 2022The genomic epidemiology of SARS-CoV-2 variants of concern in Kenyaeurope_pmcdocument of 8 observationsDOI 10.1101/2022.10.26.22281446

3 %Among adolescents living with HIV in Kenya, 3% reported no longer being able to get medication refills due to COVID-19.

KenyaCOVID-19published 2021AIDS and behaviorPubMeddocument of 6 observations

3.7 %The cumulative HIV prevalence was 3.7% among patients admitted with laboratory-confirmed COVID-19 infection at Aga Khan University Hospital, Nairobi.

KenyaCOVID-19 · VIH/sidapublished 2022PloS onePubMeddocument of 7 observations

56 %There was a 56% reduction in uptake of HIV services during the first wave of the COVID-19 pandemic, as indicated by retrospective review of HIV program data from 2018–2020.

KenyaCOVID-19 · VIH/sidaobserved 2018-2020published 2021International journal of environmental research and public healthPubMeddocument of 7 observations