Yellow fever is endemic in tropical regions of Africa and South America, where 44 countries (33 in Africa and 11 in South America) are considered to be at risk.

黄热病在非洲和美洲的热带地区流行，据认为44个国家(33个在非洲，11个在南美洲)存在风险。

youdao

It shows that the economies of some poorer countries and regions, especially in sub-Saharan Africa and parts of Asia, are more dependent on remittances than had been thought.

研究显示，一些较贫穷国家和地区(特别是在撒哈拉沙漠以南的非洲国家和部分亚洲国家)的经济对汇款的依赖程度比以往想象的更深。

youdao

Buruli ulcer has been reported from 30 countries in Africa, the Americas, Asia and the Western Pacific, mainly in tropical and subtropical regions.

非洲、美洲、亚洲和西太平洋主要在热带和亚热带地区的30个国家已报告有布鲁里溃疡。

youdao

As part of the Department's American Music Abroad Program, the groups will travel to countries not often visited by American jazz musicians, in such regions as Africa,Asia,Europe, Latin America and the Middle East.

VOA: standard.2009.12.25

Yet there has been limited interest in the Middle East and North Africa regions, where just three countries Iraq, Lebanon, and Tunisia are onboard the treaty banning cluster bombs.

CNN: The gruesome toll of deadly cluster bombs in Syria

Good news for travellers who want to use the web when abroad but don't want to pay a fortune for doing so, as Tep Wireless announces support for 17 more countries in the Americas, Asia, Africa and Oceania regions.

ENGADGET: Tep Wireless expands mobile hotspot rental plan to 50 countries, revamps pricing

Different regions set different priorities: Eastern and southern Africa countries choose to focus on early childhood care and education, and central and west African countries focus on improving the unfinished business of Universal Primary Education.

UNESCO: EDUCATION