The number of Nigerian healthcare workers infected with COVID-19 was becoming "worrisome," as 75 were confirmed positive in the past week, health authorities said Monday.
Over 470 infection cases of coronavirus variants have been reported in at least 32 U.S. states as of Sunday, according to the latest data of the U.S. Centers for Disease Control and Prevention (CDC).
The first delivery of COVID-19 vaccine has arrived in South Africa at a time when the country is suffering from the largest coronavirus outbreak on the African Continent.