The Variant Hunters: Inside South Africa’s Effort to Stanch Dangerous Mutations December 6, 2021 Auto Bot Acquired Immune Deficiency Syndrome, audio-neutral-informative, Coronavirus (2019-nCoV), Coronavirus Omicron Variant, Disease Rates, Immune System, Research, South Africa, Vaccination and Immunization 0 Scientists in a cutting-edge laboratory do part of the work. Local health workers on foot do the rest.