WASHINGTON,  – The United States, Brazil, Canada, and Saudi Arabia became the latest countries Friday to restrict travel from southern Africa, where a new Covid strain labelled a “variant of concern” has been discovered in a potentially heavy blow to the world’s efforts to end the coronavirus pandemic. The World Health Organization said the new variant is more infectious than the dominant, highly transmissible Delta strain, and renamed this B.1.1.529 strain of Covid-19 as Omicron. It has reached Europe with one confirmed case in Belgium after being found in South … Continue reading US, Canada restrict travel from southern Africa as new variant sparks concern