Bird flu appears returning: UN
英语课
EIJING, Aug. 30 (Xinhuanet) -- The United Nations is warning authorities to be on high alert of bird flu as the virus appears to be returning.
The UN Food and Agriculture Organization said in a statement Monday a mutant strain is spreading across parts of Asia, and there could be a spill-over to humans.
However, it said at this stage, there's no need for any alarm.
A mutant strain of H5N1, which can apparently 1 sidestep defenses of existing vaccines 2, is spreading in China and Vietnam, it said.
It said the variant 3 of the virus appears able to side step Vaccines.
The UN is concerned the new form of the virus could spread to Cambodia, Thailand and Malaysia, as well as the Korean Peninsula and Japan.
"Wild birds may introduce the virus, but people's actions in poultry 4 production and marketing 5 spread it," said FAO's chief veterinary office Juan Lubroth in urging greater preparedness and surveillance, according to media reports.
Outbreaks of the virus peaked in 2006 before it was eradicated 6 from most countries.
adv.显然地；表面上，似乎
- An apparently blind alley leads suddenly into an open space.山穷水尽，豁然开朗。
- He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
疫苗，痘苗( vaccine的名词复数 )
- His team are at the forefront of scientific research into vaccines. 他的小组处于疫苗科研的最前沿。
- The vaccines were kept cool in refrigerators. 疫苗放在冰箱中冷藏。
adj.不同的，变异的；n.变体，异体
- We give professional suggestions according to variant tanning stages for each customer.我们针对每位顾客不同的日晒阶段，提供强度适合的晒黑建议。
- In a variant of this approach,the tests are data- driven.这个方法的一个变种，是数据驱动的测试。
n.家禽，禽肉
- There is not much poultry in the shops. 商店里禽肉不太多。
- What do you feed the poultry on? 你们用什么饲料喂养家禽?
n.行销，在市场的买卖，买东西
- They are developing marketing network.他们正在发展销售网络。
- He often goes marketing.他经常去市场做生意。
画着根的
- Polio has been virtually eradicated in Brazil. 在巴西脊髓灰质炎实际上已经根除。
- The disease has been eradicated from the world. 这种疾病已在全世界得到根除。