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(单词翻译:双击或拖选)
Avian influenza H5N1 viruses released from infected human cell |
Five years ago avian flu began spreading across Asia, Europe and Africa killing2 poultry3, wild birds and then humans. Since then, the U.N. says there have been some 245 human deaths in 15 countries.
U.N. Influenza Coordinator4 Doctor David Nabarro warns that while many governments have plans in place to fight an influenza outbreak, such as bird flu, they have not been thoroughly5 tested and could fail when an outbreak actually starts.
He said that while the threat of an avian flu pandemic has decreased, the danger posed by other influenza viruses has not.
"The threat of influenza pandemic is still as it was three or four years ago," said David Nabarro. "And this is because although we are very concentrating on one particular bird flu virus that we worry may be the cause of the next influenza pandemic, the fact is unfortunately, any influenza virus could cause a pandemic and we just cannot say for certain when the next pandemic will come, where it will start, or even how severe it will be."
Dr. David Nabarro (file photo) |
Nabarro said the statistics show bird flu to be a much milder threat now than it was just three years ago.
"When we look at the situation now compared with then, we see that the number of countries that have been newly infected is greatly reduced, the number of outbreaks that occur is greatly reduced, and the overall situation - with the exception of a small number of countries - is much lighter6 than it was in 2005," he said.
Nabarro said the avian flu virus is still entrenched7 in two countries - Indonesia and Egypt - and it continues to resurface periodically in Pakistan, parts of China, Bangladesh, India, Thailand, Laos, Vietnam and South Korea. He also expressed some concern about Nigeria, which recently announced its first bird flu outbreak in nearly 10 months, and Togo, which has also had a recent outbreak.
On Saturday, Egypt is convening8 an international meeting on both avian and human influenza. The conference is intended to review pandemic preparedness and assess what more needs to be done to improve an international response.
1 influenza | |
n.流行性感冒,流感 | |
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2 killing | |
n.巨额利润;突然赚大钱,发大财 | |
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3 poultry | |
n.家禽,禽肉 | |
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4 coordinator | |
n.协调人 | |
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5 thoroughly | |
adv.完全地,彻底地,十足地 | |
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6 lighter | |
n.打火机,点火器;驳船;v.用驳船运送;light的比较级 | |
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7 entrenched | |
adj.确立的,不容易改的(风俗习惯) | |
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8 convening | |
召开( convene的现在分词 ); 召集; (为正式会议而)聚集; 集合 | |
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