[医] 人工免疫法

Ivory Coast Worries about Possible Polio Epidemic

Ivory Coast Worries about Possible Polio Epidemic Nico Colombant Health workers and religious leaders in Ivory Coast are increasingly worried their country could become infected with polio from northe

发表于:2019-01-09 / 阅读(42) / 评论(0)

VOA2004（上）--各类新闻

VOA常速英语2007年-UNICEF Begins Life-Saving Immunization Campaign

By Lisa Schlein Geneva 02 December 2007 The United Nations Children's Fund says it is beginning a week-long mass immunization campaign in war-torn Somalia on Sunday. UNICEF says volunteer health workers aim to immunize 100,000 children and women in c

发表于:2019-01-11 / 阅读(42) / 评论(0)

VOA常速英语2007年（十二月）

VOA标准英语2009年-WHO to Increase Immunizations in Sub-S

World Health Organization agreed on initiatives to increase the immunization of children in sub-Saharan Africa. Ish Mafundikwa | Harare 18 December 2009 The Global Polio Eradication Initiative launched in 1988 has successfully obliterated polio in 45

发表于:2019-01-13 / 阅读(37) / 评论(0)

VOA标准英语2009年(十二月)

VOA标准英语2012--Immunization Week Highlights Efforts to Save Lives Worldwide

Immunization Week Highlights Efforts to Save Lives Worldwide Haiti, Nigeria, Ghana -- 180 countries in all -- stepped up their immunization drives against deadly childhood infections to mark World Immunization Week. The GAVI Alliance -- a Geneva base

发表于:2019-01-13 / 阅读(48) / 评论(0)

VOA标准英语2012年(四月)

VOA标准英语2013--Researchers: Immunization Efforts Falling Short

Researchers: Immunization Efforts Falling Short Researchers said that despite progress immunizing African children against disease, vaccination efforts are falling far short of whats needed. They warn that vaccine supply and cost need urgent attentio

发表于:2019-01-14 / 阅读(33) / 评论(0)

VOA标准英语2013年(三月)

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(51) / 评论(0)

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acid press

acute threshold dose

Aiken, Howard Hathaway