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  3. Thailand confirmed three new human bird flu cases Thursday as health officia

Thailand confirmed three new human bird flu cases Thursday as health officia

游客2025-04-26  20
问题     Thailand confirmed three new human bird flu cases Thursday as health officials warned it could take two years to conquer Asia’s outbreak. Meanwhile, the World Health Organization said the latest tests show no sign of a killer hybrid virus that could easily pass between people.
    Tests on a cluster of bird flu cases in a Vietnamese family showed there was no mixing of genes between the bird flu strain and human flu, according to WHO.
    In the United States, a strain of bird flu was found at four live chicken markets in northern New Jersey, just days after outbreaks at two farms in Delaware led to the destruction of thousands of birds.
    WHO has said the best way to control the spread of the disease is by culling the birds. In Asia, tens of millions of chickens have been killed by infections or slaughtered in containment efforts as bird flu spread, jumping to people in Vietnam and Thai-land.
    The human death toll stood at 19 on Thursday.
    While two of the three people labeled as new cases in Thailand have recovered, the third, a 13-year-old boy, was in intensive care in northeastern Chaiyaphum province, Thai officials said.
    Fears of an outbreak prompted Singapore, believed free of bird flu, to announce plans to euthanize 5,000 healthy chickens in a drill to prepare for any possible infection.
    Ten governments in the region have dealt with the disease over the past couple of months, with China boosting its culling efforts as reports of infections there increased.
    Beijing said Thursday it was mobilizing 16,000 workers for anti-bird flu efforts in a province bordering Vietnam where China’s first bird flu case of the season was confirmed in late January. Among their tasks is to try to pinpoint the source of the first infection.
    Destroying infected fowl is the best way to contain the outbreak, according to WHO.
    Thai officials have said slaughters of more than 26 million chickens have brought the disease largely under control there, while Vietnam has said its outbreak is easing. In Pakistan, U. N. officials said the disease has been contained. But the U. N. Food and Agriculture Organization said it would take much longer to bring the region’s outbreak under control.
    "I would have thought that we’d be looking at a period of six months...but it could be as long as two years," FAO animal health officer Peter Roeder said in Geneva. In New Jersey, state veterinarian Nancy Halpern said the markets likely got the virus from one of their many farms and distributors. New Jersey has about 35 live chicken markets. [br] Which of the following is true according to WHO?
选项 A、It could take two years to conquer Asia’s outbreak of bird flu.
B、The bird flu is dangerous because it is very easy to spread between people.
C、The best way to control the spread of the bird flu is by killing the infected birds.
D、The outbreak of bird flu is hard to control because the genes of the bird flu strain and human flu are mixing very quickly.
答案 C
解析 选项A的内容出现在第1段，但不是来自于世界卫生组织。选项B可以排除，因为第2段中世界卫生组织说没有迹象显示很容易在人群中传播的混合致命病毒已出现(no sign of a killer hybrid virus that could easily pass between people)。选项D也可以排除，因为在第3段中，世界卫生组织说有证据表明禽流感和人类流感的基因还未混合(there was no mixing of genes between the bird flu strain and human flu)。第11段所述世界卫生组织的说法以及文章涉及到的一些国家控制禽流感的做法明确证实了选项C是正确的。
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