单词：herd immunity
单词：herd immunity 相关文章
THE SWINEHERD There was once a poor Prince, who had a kingdom. His kingdom was very small, but still quite large enough to marry upon; and he wished to marry. It was certainly rather cool of him to say to the Emperor's daughter, Will you have me? Bu
安徒生童话
[00:02.24]- Just up the hill. - Listen very carefully: Im not going. - 只是去山上 - 你给我仔细听好，我就是不去！ [00:09.80]- Fine, be a jerk. Ill take care of him. - Yeah, thats good. - 行啊，做你的混球，我会照顾他的
听电影学英语-冰河世纪
Italian Prime Minister Silvio Berlusconi's government has proposed legislation that would give immunity to the country's top officials while they are in office. The opposition says the bill, which would still need to be approved by parliament, is ai
VOA标准英语2008年（六月）
International Vaccination A jab in time 国际 疫苗及时一针 Some Western countries have lower vaccination rates than poor parts of Africa. Anti-vaxxers are not the main culprits 与非洲贫困地区相比，部分西方国家的疫苗接种率更
经济学人要闻
034 The Swineherd Prince Long ago, there was a handsome prince in a country. He loved a princess of his neighboring country, but she was haughty and stubborn. I don't want to marry just a normal guy. The prince gave her a beautiful rose and a bird as
100个儿童英语小故事
Experts: Zika Could Infect 93 Million in Americas 专家称Zika病毒或每年感染9300万美洲人 Health experts have a new warning about Zika virus. They say the virus will keep spreading before the Zika epidemic finally ends. 健康专家有一个
2016年VOA慢速英语(八)月
Lawyers Request Diplomatic Immunity for Strauss-Kahn Bronx Supreme Court Judge Douglas McKeon heard arguments Wednesday by Strauss-Kahn lawyers that he is entitled to immunity by virtue of his former position, as well as international custom and law.
VOA标准英语2012年(三月)
A new study suggests vaccinating children against disease first could help protect the surrounding community. Related Links Full Article Scientists have long believed that immunizing some members of a community against a disease would protect the ent
VOA标准英语2010年(三月)
RotavirusImmunizationProtectsPeopleWhoDon'tGetVaccine Rotavirus causes severe diarrhea that kills more than a half-million people each year, mostly very young children. A recently-introduced vaccine has proved to be very effective and has shown some
VOA标准英语2011年(九月)
Maliki: Immunity Key Issue in US Withdrawal Iraqi Prime Minister Nouri al-Maliki says his country's refusal to grant immunity from prosecution to U.S. troops led to President Barack Obama's decision to withdraw the remainder of American forces by the
VOA标准英语2011年(十月)
Dr. Anthony Fauci and Michele Molonye-Kitts say U.S. funding has led to advancement in global AIDS treatment James Butty | Washington, DC 24 November 2009 The director of the U.S. National Institutes of Allergy and Infectious Diseases said progress
VOA标准英语2009年(十一月)
By Jessica Berman Washington 27 November 2007 Endemic cholera, a potentially fatal diarrheal disease found in the world's poorest countries, could be effectively controlled by orally vaccinating half of the affected populations once every two years f
VOA常速英语2007年（十一月）
1,supplementary nutrients Vitamin D was mainly rely on two channels， one is to obtain from food， and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3， it can even in the small intestine to pr
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A former left-wing guerrilla has taken a commanding lead in several exit polls from Uruguay's presidential election. Most polls show Senator Jose Mujica has narrowly failed to secure the 50% needed to avoid a run-off vote. If a second round is offici
英语新闻
The second type of vaccine contains an attenuated virus. This virus is alive, but has been grown in the lab for several generations, so it isnt able to multiply very well in humans. With the attenuated virus multiplying very slowly, your body is able
英语时差8，16
今天我们要学的词是 immunity. Immunity 名词，豁免。Former national security advisor Michael Flynn is discussing receiving immunity with the House and Senate intelligence committees in exchange for testimony. 美国前国家安全顾问弗
英语单词荟萃
The Americas 美洲 Paraguay's new president 巴拉圭的新总统 Cartes plays his cards 卡特高明的手段 Trickle-down economics in one of South America's poorest countries 南美最穷一国的滴流经济学 IN OCTOBER claims surfaced that Vi
经济学人综合
THEY hang out in pockets, says Richard Pan, a Sacramento paediatrician and member of Californias legislature. He is referring to parents who, invoking a philosophical exemption, opt not to give their children the state-recommended vaccinations. In so
经济学人综合