Vaccine

Effectiveness of BNT162b2 and Ad26.COV2.S vaccines against COVID-19-related hospitalisation amongst adult members of a private health insurance plan in South Africa during the Delta and Omicron periods: A test-negative case-control study.

Pub Date : 2025-04-02 DOI: 10.1016/j.vaccine.2025.127068 Siobhan L Johnstone, Daniel Shapiro, Nicola Chiwandire, Lundi Matoti, Carmen Whyte, Jolene Bultinck-Human, Selaelo Mametja, Craig Getz, Boldwin Moyo, Mabatlo Semenya, Sibongile Walaza, Cheryl Cohen, Michelle J Groome

Challenges and enablers to establishing COVID-19 vaccine effectiveness studies in the World Health Organization Africa region: A mixed-methods evaluation of the African region monitoring vaccine effectiveness (AFRO-MoVE) network.

Pub Date : 2025-03-20 DOI: 10.1016/j.vaccine.2025.126823 Adam W Crawley, Katherine Murphy, Ian D Plumb, Grace Adjoa Ocansey, Isaac Baffoe-Nyarko, Norman Nyazema, Sibongile Walaza, Eva Leidman

Effectiveness of COVID-19 vaccines against laboratory-confirmed SARS-CoV-2 infection amongst health workers, Windhoek, Namibia.

Pub Date : 2025-03-11 DOI: 10.1016/j.vaccine.2025.126977 Kaveto Sikuvi, Natasha Nghitukwa, Ndiitodino Kakehongo, Ismael Katjitae, Carolina Matos, Philip Oedi, Sibongile Manga Netha, Emmanuel Nepolo, Christian Winter