JOHANNESBURG — The Botswana scientist who may well have discovered the omicron variant of the coronavirus says he has been on a “roller coaster of emotions,”

MERI, CAMEROON — Cameroon has begun a measles vaccination drive on its northern border with Nigeria after several dozen children were found with the infection at

SEOUL, SOUTH KOREA — South Korea again broke its daily records for coronavirus infections and deaths and confirmed three more cases of the new omicron variant

GABORONE, BOTSWANA — Botswana’s reported COVID-19 cases have declined despite the detection of the highly transmissible omicron variant of coronavirus. Botswana was one of the first