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VOA慢速英语2010年-Kids, Germs and Day Care; A Meningitis

时间:2011-01-03 03:51来源:互联网 提供网友:hp2786   字体: [ ]
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This is the VOA Special English Health Report.

When parents go to work, their young children often spend the day in child care. That contact with other children can make it easier to get sick. But new research suggests that this might have a protective effect a few years later when children start school.

A research team looked at data from a large study. That study followed the health of a group of Canadian children for almost their first ten years of life.

Sylvana Cote at the University of Montreal led the research team. She says some of the children were more likely to get sick from the kinds of infections commonly passed around a day care center. But she says these children were also more likely to avoid infections when they entered elementary school a few years later.

SYLVANA COTE: "Children who started child care early -- that is, before two and a half years -- and who attended child care where there were a large group of children, they have lower rates of infections than children who either never went to day care or children who went to small-group day care."

Sylvana Cote says her study was not really designed to explain why children who started day care early with many other children had fewer infections later. But she says there is a non-medical reason why getting sick early might be better: it reduces the risk of having to stay home from school.

SYLVANA COTE: "We argue in the paper that missing school when you're starting to learn to read or when you learn to write may be more problematic for the future academic trajectory1 than missing day care days."

The research appears in the Archives of Pediatric and Adolescent Medicine, a journal of the American Medical Association.

Chantal Compaore, the wife of Burkina Faso's president, holds a young boy during the launch of a new vaccination2 campaign against meningitis December 6

Some diseases can be prevented by vaccines4. This month, the World Health Organization launched the first vaccine3 ever developed for Africa.

The vaccine is designed to provide ten years of low-cost protection against meningococcal A. This bacterial5 form of meningitis can cause brain damage and death. Major epidemics6 strike Africa every seven to fourteen years. Children and young adults are the hardest hit.

Last year, an outbreak across sub-Saharan Africa killed more than five thousand people. The WHO says as many as four hundred fifty million people across Africa are at risk from meningitis.

The new vaccine is called MenAfriVac. It can be given to children as young as one, which is earlier than vaccines currently used to fight meningitis epidemics n Africa.

Health workers launched the new vaccine in Burkina Faso in West Africa. There are twenty-five countries along Africa's so-called meningitis belt from Senegal to Ethiopia. The hope is that people in all twenty-five countries will be protected against the disease by twenty-fifteen.

And that's the VOA Special English Health Report. I'm Steve Ember.


点击收听单词发音收听单词发音  

1 trajectory fJ1z1     
n.弹道,轨道
参考例句:
  • It is not difficult to sketch the subsequent trajectory.很容易描绘出它们最终的轨迹。
  • The path followed by a projectile is called its trajectory.抛物体所循的路径称为它的轨道。
2 vaccination bKGzM     
n.接种疫苗,种痘
参考例句:
  • Vaccination is a preventive against smallpox.种痘是预防天花的方法。
  • Doctors suggest getting a tetanus vaccination every ten years.医生建议每十年注射一次破伤风疫苗。
3 vaccine Ki1wv     
n.牛痘苗,疫苗;adj.牛痘的,疫苗的
参考例句:
  • The polio vaccine has saved millions of lives.脊髓灰质炎疫苗挽救了数以百万计的生命。
  • She takes a vaccine against influenza every fall.她每年秋季接种流感疫苗。
4 vaccines c9bb57973a82c1e95c7cd0f4988a1ded     
疫苗,痘苗( vaccine的名词复数 )
参考例句:
  • 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。
5 bacterial dy5z8q     
a.细菌的
参考例句:
  • Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了。
  • Brain lesions can be caused by bacterial infections. 大脑损伤可能由细菌感染引起。
6 epidemics 4taziV     
n.流行病
参考例句:
  • Reliance upon natural epidemics may be both time-consuming and misleading. 依靠天然的流行既浪费时间,又会引入歧途。
  • The antibiotic epidemics usually start stop when the summer rainy season begins. 传染病通常会在夏天的雨季停止传播。
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TAG标签:   VOA慢速英语  epidemics
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