Severe acute respiratory syndrome coronavirus 2 Delta variant epidemiology in Africa is unknown. We found Delta variant was introduced in Benin during April-May 2021 and became predominant within 2 months, after which a steep increase in reported coronavirus disease incidence occurred. Benin might require increased nonpharmaceutical interventions and vaccination coverage.
Keywords: Benin; COVID-19; Delta variant; SARS; SARS-CoV-2; West Africa; coronavirus; coronavirus disease; respiratory infections; severe acute respiratory syndrome coronavirus 2; variant of concern; viruses; zoonoses.