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Botswana continued to address the COVID-19 pandemic in 2021, beginning its vaccination process through the importation of vaccines. On November 11, Botswana was the location of the first documented case of the SARS-CoV-2 Omicron variant. 2021 also saw the discovery of two diamonds in Botswana that exceeded 1000 carats, becoming the third and fourth largest diamonds ever discovered. In relations with its neighbouring countries, Botswana continued to address violence at the Botswana–Namibia border, and it entered into the conflict in Cabo Delgado in support of the government of Mozambique.