By Abdi Latif Dahir, Ben Ezeamalu and Richard Pérez-Peña The sample, found in retrospective sequencing of previously confirmed cases, was collected weeks before the variant was first reported by researchers in southern Africa.
Source: Nigeria Finds Omicron Variant Covid Case From October
Category: Nigeria, Coronavirus (2019-nCoV), Coronavirus Omicron Variant, Disease Rates, Africa
