Lucinde, R., Mugo, D., Bottomley, C., Karani, A., Gardiner, E., Aziza, R., Gitonga, J., Nyagwange, J., Karanja, H., Nyagwange, J., Tuju, J., Wanjiku, P., Nzomo, E., Kamuri, E., Thuranira, K., Agunda, S., Nyutu, G., Etyang, A., Adetifa, I., Kagucia, E., Uyoga, S., Otiende, M., Otieno, E., Ndwiga, L., Agoti, C., Aman, R., Mwangangi, M., Amoth, P., Kasera, K., Nyaguara, A., Ng’ang’a, W., Ochola, L., Namdala, E., Gaunya, O., Okuku, R., Barasa, E., Bejon, P., Tsofa, B., Ochola-Oyier, L., Warimwe, G., Agweyu, A., Scott, J. & Gallagher, K. 2022, 'Sero-surveillance for IgG to SARS-CoV-2 at antenatal care clinics in three Kenyan referral hospitals: Repeated cross-sectional surveys 2020-21', PLoS ONE, 17(10), article no: e0265478. https://doi.org/10.1371/journal.pone.0265478