Workers load COVID-19 vaccines from China onto a truck at Djibouti-Ambouli International Airport in Ambouli town, Djibouti, on March 18, 2021. The first batch of COVID-19 vaccines from China arrived in Djibouti on Thursday. The vaccines, made by Chinese pharmaceutical firm Sinovac, will help the African country's immunization campaign against the pandemic. [Photo/Chinese Embassy in Djibouti handout via Xinhua]