首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
It was just a footnote compared with the more infectious disaster that killed millions more people in 1918, but the 1957 influen
It was just a footnote compared with the more infectious disaster that killed millions more people in 1918, but the 1957 influen
admin
2015-10-20
32
问题
It was just a
footnote
compared with the more infectious disaster that killed millions more people in 1918, but the 1957 influenza pandemic that sickened some 25 to 30 percent of the American population was a medical watershed for the clues that it offered about how a new strain of influenza could spread. Americans first got a whiff of the so-called Asian flu when Maurice Hilleman, a physician at Walter Reed Hospital in Washington, D.C., read about an unusually large number of people—some 250,000—who had come down with flu-like symptoms in Hong Kong. Concerned, he immediately requested samples from American servicemen in Asia and within days had his answer. The genetic structure of this strain was like nothing immunologists had ever seen before.
When the virus finally hit America: "It went like a house on fire," recalls D. A Henderson, then the chief of the United States Epidemic Intelligence Service. Worsened by school openings that fall, the flu spread so rapidly from a few counties in Louisiana that just eight weeks later it had heavily infected more than half the counties in nearly all 50 states. Although it wasn’t particularly potent, the 1957 strain killed about 80,000 Americans. The victims were predominantly the very old and the very young, although the infection occasionally killed otherwise healthy adults as well.
Pharmaceutical companies worked furiously to produce a vaccine, ultimately distributing some 40 million doses. But "they were just a little bit too late," says Arnold Monto, an influenza specialist at the University of Michigan. "They only had significant doses available when the pandemic was peaking." Earlier, scarcities raised questions about who deserved the vaccine first. A set of official rules gave priority to military personnel and necessary civic workers, but that didn’t stop members of the San Francisco 49ers football team from getting vaccinated before police and firemen.
Despite some manufacturing improvements, experts say the same shortages could occur with a pandemic today. And that concern has caused preparedness officials to plan for community interventions such as school closings and isolation of sick people. But Henderson says, "It won’t work. And you don’t need a better example than ’57. When you go from just a few scattered outbreaks in the end of August to the whole country infected in eight weeks, at a time when people didn’t travel as much as they do today and cities were not as densely populated, what do you think we’re going to see today?" Better, he says, to have good vaccines and to ensure that the medical system can handle the extra load.
According to the second paragraph, the 1957 influenza
选项
A、had victims throughout all the states of the USA.
B、was very powerful and infectious at the beginning.
C、had its spread kept down by school openings.
D、had infected both the elders and the kids.
答案
D
解析
事实细节题。根据题干定位到第二段。其中讲到1957年流感袭击美国时的情况,可以从该段最后一句“其中大部分的受害者都是老人和孩子,当然也有少数青壮年未能幸免。”推断出D项正确。
转载请注明原文地址:https://kaotiyun.com/show/gjzZ777K
0
考研英语一
相关试题推荐
TheElectromagneticRadiationAffectsOurLifeWhethermobilephonescancausecancerremainsanopenquestion.Buttheyare
Gettingotherpeopletodowhatyouwantthemtodoisanartandasciencethatyoumustmasterifyouwanttosucceedinthis
Gettingotherpeopletodowhatyouwantthemtodoisanartandasciencethatyoumustmasterifyouwanttosucceedinthis
Ifthereisonethingscientistshavetohear,itisthatthegameisover.Raisedonthebeliefofanendlessvoyageofdiscove
Theyovercameallthedifficultiesandcompletedtheprojecttwomonthsaheadoftime,______issomethingwehadnotexpected.
Theroleofgovernmentsinenvironmentalmanagementisdifficultbutinescapable.Sometimes,thestatetriestomanagetheresou
Theroleofgovernmentsinenvironmentalmanagementisdifficultbutinescapable.Sometimes,thestatetriestomanagetheresou
Theroleofgovernmentsinenvironmentalmanagementisdifficultbutinescapable.Sometimes,thestatetriestomanagetheresou
In1995GeorgeGilder,anAmericanwriter,declaredthat"citiesareleftoverbaggagefromtheindustrialera."Electroniccomm
LikealotofearlessNewYorkers,Iamgenerallyconfusedbyburstsofpopulistoutrageoverhighgasprices.ButIhavealways
随机试题
A.血浆清除率等于零B.血浆清除率等于每分钟肾的血浆流量C.血浆清除率等于肾小球滤过率D.血浆清除率大于肾小球滤过率E.血浆清除率小于肾小球滤过率某物质可被肾小球自由滤过,又可被肾小管分泌,但不被肾小管重吸收,其()。
《联合国国际货物销售合同公约》对发盘内容“十分确定”的解释是
确认,识别vt.i_______
性大寒,专泻肺中水饮及痰火的药物是
护士指导正常孕妇产前检查的时间正确的是
小肠所特有的运动形式是()。
对生产性项目进行寿命周期成本评价时,可列入工程系统效率的是()。
一个人在他人面前想表现出的形象被称为()。
假定所涉及的反常积分(广义积分)收敛,证明:
以太网100BASE-TX标准规定的传输介质是(61)。
最新回复
(
0
)