MEXICO CITY, Mexico (AFP) — Mexico on Friday announced its first case of the coronavirus Omicron variant, in a traveller from South Africa, but the government said it was not considering border closures as a counter-measure. The variant was detected in a 51-year-old from South Africa with mild symptoms, undersecretary of health Hugo Lopez-Gatell Ramirez said on Twitter. An epidemiologist by training, Lopez-Gatell Ramirez said closing borders and blocking the movement of people and […]