单词:avian infectious laryngotracheitis
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[00:00.00]Unit 25 [00:05.80]Reading and speaking [00:08.24]A changing city [00:10.53] For centuries,Beijing has been one of China's [00:13.47]most important cities. [00:15.69]Originally a place for emperors and officials, [00:18.14]today it is a weal
This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For the last five years, researchers have been analyzing bird DNA. That effort has now completely altered our understanding of which bird species really
A Chinese spice that increases the flavour of food has become the centre of public attention, thanks to the growing profile of bird flu . Star anise, a herbal fruit mainly grown in China, as well as V
WHO: Bird Flu Not Transmitted from Person to Person Nancy-Amelia Collins United Nations health officials say the bird flu that has led to the killing of tens of millions of chickens in Asia is not bei
By John Shields Washington 10 February 2006 watch Africa Bird Flu report Chickens for sale in a Lagos market The World Health Organization says this week's outbreak of the deadly H5N1 avian flu virus
DEVELOPMENT REPORT -February 18, 2002: Infectious Diseases By Jill Moss This is the VOA Special English Development Report. The World Health Organization and several other United Nations agencies are
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? A direct effect on human health related to climate change is the likely increase in infectious diseases transmitted by insects or through contaminated water. In the Marc
By Lisa Schlein Geneva 23 August 2007 The World Health Organization warns new and emerging infectious diseases are spreading rapidly around the world threatening the health, economies and security of all nations. This year's World Health Report says
Tools to Fight Infectious Diseases Rely on Public Health Programs A simple bite from a mosquito can end someone's life or change it forever. A sneeze, a handshake or even sharing of a desk can do the same thing. That's how H1N1 - or swine flu - sprea
Science and Technology Avian malaria and climate change Bite the birds 科技 禽虐与气候变化 鸟类受害 Malaria among birds is becoming more prevalent 鸟类中的疟疾感染越来越多 MOSQUITOES, which carry malaria parasites, like the w
Science and Technology Avian malaria and climate change Bite the birds 科技 禽虐与气候变化 鸟类受害 Malaria among birds is becoming more prevalent 鸟类中的疟疾感染越来越多 MOSQUITOES, which carry malaria parasites, like the w
AGRICULTURE REPORT - New Cases of Avian Influenza in Asia By Mario Ritter Broadcast: Tuesday, July 13, 2004 This is Bob Doughty with the VOA Special English Agriculture Report. The chicken industry in
AGRICULTURE REPORT - Avian Flu Could Force Changes for Asian Poultry Farmers By Mario Ritter Broadcast: Tuesday, March 15, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Avian in
HEALTH REPORT - Nations Are Urged to Do More Against Risk of Avian Flu By Cynthia Kirk Broadcast: Wednesday, October 12, 2005 I'm Shep O'Neal with the VOA Special English Health Report. The World Heal
hemagglutinin 血凝素 Neuraminidase 神经氨酸酶 Nucleoprotein 核蛋白 Nonstructural Protein 非结构蛋白 Matrix Protein 基质蛋白 world organization for animal health (OIE) 国际兽医组
BEIJING, Aug. 7 (Xinhua) -- Infectious diseases claimed 1,669 lives on the Chinese mainland in July, with AIDS contributing to 70 percent of the deaths, the Ministry of Health (MOH) said Tuesday. A total of 5,552 AIDS cases, which is categorized as a
A recent study found almost 60 percent of surgical residents admitted they had sustained needlestick injuries when they were medical students. Blunt tip needles, such as this one, are considered safer A recent study shows that medical students and ho
By Kurt Achin Seoul 12 September 2007 The World Health Organization says the threat of avian flu is as serious as ever. Members of the WHO's western Pacific region are in South Korea to discuss ways to combat bird flu. VOA's Kurt Achin is at the meet
By Suzy Tekunan and Ahadian Utama Washington, DC 05 April 2006 watch Indonesia Bird Flu report Indonesian vendor prepares chickens for sale at small market in central Jakarta Bird flu has killed more