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Zika virus, Rare whale filmed in Australia 寨卡病毒传播风险，澳大利亚拍到罕见鲸鱼影像 本集内容 Two billion 'at risk of Zika in Africa and Asia' 超20亿亚非居民面临寨卡病毒风险 Rare white whale filmed in Australia 澳大利亚海岸捕捉到罕见白色鲸鱼画面 More than 2.5 billion people around the world live in areas that may be vulnerable to outbreaks of Zika, according to a new study into the spread of the virus. Scientists say that countries in Africa and Asia are most at risk. 一项针对寨卡病毒传播情况的新研究显示，全球有超过25亿人居住在易受该病毒暴发影响的地区内。科学家们说，非洲及亚洲国家感染寨卡病毒的风险最大。 Just before we go: this is rare, in fact an extremely rare whale. This drone footage showing the endangered southern right whale which was spotted">spotted off the western coast of Australia. Only 5% are born white. I'll leave you with those pictures. See you soon. 在结束前再来说一条：这是一条极为罕见的鲸鱼。这台无人机拍摄的画面显现了这类名为南露脊鲸的濒危物种，它在澳大利亚西海岸边被人发现。出生时为白色的南露脊鲸只占此类鲸鱼总数的百分之五。请看拍摄到的鲸鱼画面。我们下次再会。 词汇 outbreaks （疾病、战争等的）爆发 spotted | 
