"English-speaking countries and territories" . "1957 establishments in Ghana" . "Animal virology" . "Countries in Africa" . "Commonwealth republics" . "Infectious diseases" . "Ghana" . "Coronaviridae" . "Member states of the United Nations" . "West African countries" . "Member states of the African Union" . "States and territories established in 1957" . "Member states of the Commonwealth of Nations" . "Inflammations" . "Upper respiratory tract diseases" . "Economic Community of West African States" .