Epidemiology of COVID-19 infections on routine polymerase chain reaction (PCR) and serology testing in Coastal Kenya Bằng Nyagwange, J, Ndwiga, L, Muteru, K, Wamae, K, Tuju, J, Testing Team, C, Kutima, B, Gitonga, J, Karanja, H, Mugo, D, Kasera, K, Amoth, P, Murunga, N, Babu, L, Otieno, E, Githinji, G, Nokes, DJ, Tsofa, B, Orindi, B, Barasa, E, Warimwe, G, Agoti, CN, Bejon, P, Ochola-Oyier, LI