Seroprevalence of anti-SARS-CoV-2 IgM and IgG and COVID-19 vaccine uptake in healthy volunteers in Nairobi, Kenya: a cross-sectional study - Otindo, Agnes Muhonja; Ndombi, Eric M.; Theuri, Martin; Muturi, Margaret; Thamaini, Peris; Ogutu, James; Onsongo, Lister; Madete, June K.; Ofula, Victor; Gitau, Samuel; Mwangi, Gladys; Okemo, Paul (Frontiers in Virology, 2024)