https://apnews.com/2962094cd55c7cff53c6216ebfe9fe32 > LAGOS, Nigeria (AP) — Nigeria has detected its first case of the omicron coronavirus variant in a sample it collected in October, weeks before South Africa alerted the world about the variant last week, the country’s national public health institute said Wednesday. > It is the first West African country that has recorded the omicron variant since scientists in southern Africa detected and reported it and adds to a list of nearly 20 countries where the variant has been recorded, triggering travel bans across the world.