Promising Mosquito Repellent Announced
效果明顯的殺蚊劑問世
Published January 03, 2014
此視頻發(fā)布于2014年1月3日
In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related causes in 2012, mostly in Sub-Saharan Africa. Now, a group of U.S.-based scientists is working to develop a more effective and less expensive mosquito repellent than currently in use. VOA’s George Putic has more.
在世界上很多地區(qū),蚊子都是一種季節(jié)性害蟲 。在其他地區(qū),它們攜帶危險性疾病,例如瘧疾 。世界衛(wèi)生組織預(yù)計,2012年全球63萬人的死亡都與瘧疾有關(guān),而這主要發(fā)生在撒哈拉以南的非洲地區(qū) 。如今,一個美國科學(xué)小組正努力研發(fā)一種比目前使用的更為有效殺蚊劑,它的價格也更為便宜 。本臺記者喬治·布提斯為我們帶來更多報道 。