标签：疫苗 相关文章
Every fall, you need a new flu shot. Thats because todays vaccines train your immune system to recognize specific strains of flu, indentified by two proteins on the viruss coat, / and /. Thats where the H and N come from in H1N1. Problem is those pro
Scientific American(十二)月
A full year has passed since epidemic experts began tracking the H1N1 virus that was also known as swine flu. The pandemic is over for now, but the virus is still active. Both the World Health Organization and the U.S. Centers for Disease Control are
VOA标准英语2010年(四)月
刚果开展黄热病疫苗接种工作 A preventive vaccination campaign against yellow fever was launched on August 17th in the Democratic Republic of Congo by the government. The United States, through USAID and Centers for Disease Control and Pre
VOA标准英语2016年(九月)
The head of the World Health Organization urged Asian health chiefs to continue health-care reforms despite the global economic downturn. Margaret Chan（陈冯富珍） says the WHO is working to give poorer nations access vaccines to fight the H1N1 flu p
英语讨论
Good morning! The Treasurer Wayne Swan is warning there's still a long way to go before the economy is back on track. Mr Swan is in London ahead of a 2-day meeting with G20 finance Ministers. He said that despite the Australias relatively good positi
澳洲ABC新闻快递2009年
Health Report - Spray Shows Promise in Malaria Study in Benin 健康报道 - 室内喷洒杀虫剂可减少疟疾传播 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria is caused by a parasite sp
2011年VOA慢速英语(十二)月
New TB Vaccine Passes Safety Tests Tuberculosis continues to be a major threat around the world, especially in developing countries. A new vaccine has gone into testing, and the results may change how childhood vaccinations are given. TB kills 1.8 mi
VOA标准英语2011年(六月)
One of the first studies of the effectiveness of flu vaccine in young children suggests that vaccination should be considered for youngsters before they reach their first birthday. Older adults are considered to have the greatest chance of dying from
VOA标准英语2010年(十一)月
India recently celebrated a year of being polio-free. This is a remarkable achievement in a country that until recently was recognized as the worlds epicenter of polio. Indias momentous accomplishment is boosting prospects of polio becoming only the
VOA双语新闻 2012年2月
肯尼亚天主教反对消除小儿麻痹症运动 In recent years, the international campaign to rid the world of polio has been hampered in some Muslim countries by claims from some clerics that the polio vaccine is really an undercover campaign t
VOA双语新闻 2015年8月
Voice 1 Thank you for joining us for Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It was 1994. The p
环球英语 Spotlight
Some 70 million American adults have high blood pressure. Three quarters of them rely on medication to keep the condition in check. But you've got to remember to actually take the daily dose. Now researchers have devised a longer-lasting alternative:
2015年Scientific American(五)月
DEVELOPMENT REPORT - Polio Vaccine 50th Anniversary By Karen Legget and Jill Moss Broadcast: Monday, May 03, 2004 This is Robert Cohen with the VOA Special English Development Report. Fifty years ago,
农业与发展
今天我们要学的词是untested。 Untested, 没有经过测试的，没有经过考验的。最近，香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁， Several human vaccines for bird flu have been d
英语单词荟萃
By CCTV reporter Ying Yiyuan With three patients, including one in Hangzhou and two in Hongkong testing positive for the H7N9 virus last week, concerns have increased that the strain of the deadly bird flu could further spread in winter. A 30 year ol
CCTV9英语新闻2013年12月
By CCTV Tang Bo Chinas three major hepatitis B vaccine makers have been ordered to suspend production. The countrys Food and Drug Administration made the announcement after the companies failed to get certified under the new Pharmaceutical Products s
CCTV9英语新闻2014年01月
今天我们要学的词是vaccine。 Vaccine, 疫苗。The Food and Drug Administration approved vaccines designed to protect against the H1N1 flu virus, 美国食品和药物管理局批准了甲型H1N1流感疫苗。 The first doses of the vaccine
英语单词荟萃
BBC news with Nick Kelly. There have been heated exchanges during the latest televised debate between the main US Republican presidential hopefuls. It was dominated by attacks on the front runner Donald Trump by his two biggest rivals. Senator Ted Cr
中英双语新闻
Getting Immunizations Required by Schools Jonas: Hi, Jenny. Are you getting your kids ready for school, too? Jenny: Yes, as you can see, were buying lots of school supplies. Jonas: Did you get the school letter reminding parents to submit proof of im
2015年ESL之就医和人际交往
Topic 1-Problematic Vaccines The biggest medical scandal at the moment is improperly stored vaccines flooding the market. It is suspected that such vaccines worth more than 570 million yuan have been sold in at least 24 provincial areas. Topic 2-One
英语角-圆桌会议