Travelers who were aboard the Standard Gauge Railway (SGR) are seen at the Mombasa Terminus in Kenya, May 3, 2021. (Xinhua/Dihoff Mukoto) The next phase of the COVID-19 fight in Africa should place emphasis on enhanced surveillance and genomic sequencing to help identify new variants and limit the virus' transmission, scientists said Monday during a virtual forum in Nairobi. NAIROBI, May 24 (Xinhua) -- The next phase of the COVID-19 fight in...