病毒免疫

Over the last week, my administration has taken several precautions to address the challenge posed by the 2009 H1N1 flu virus. Today, Id like to take a few minutes to explain why. This is a new strain of the flu virus, and because we havent develope

发表于:2018-12-05 / 阅读(53) / 评论(0) 分类 美国总统电台演说

Urgent Call to Stop the Spread of Zika Virus 世界卫生组织警告全球警惕Zika病毒 U.S. President Barack Obama has called for immediate development of tests, vaccines and treatments for the Zika virus. The Zika virus has infected people in m

发表于:2018-12-08 / 阅读(49) / 评论(0) 分类 2016年VOA慢速英语(一)月

Avian Flu Poses Ominous Threat to World, says US Health Official 美国卫生部称禽流感对世界造成威胁 A top U.S. health official says the country is preparing for the possibility of a dead

发表于:2018-12-08 / 阅读(50) / 评论(0) 分类 VOA2005(上)--环境科学探索

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(58) / 评论(0) 分类 万花筒2010年

The History Of Smallpox天花的历史(双语) In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co

发表于:2018-12-28 / 阅读(61) / 评论(0) 分类 初学者听力文摘精选

Remarks of President Barack Obama Weekly Address Saturday, May 2, 2009 Over the last week, my administration has taken several precautions to address the challenge posed by the 2009 H1N1 flu virus. Today, Id like to take a few minutes to explain why

发表于:2018-12-30 / 阅读(64) / 评论(0) 分类 美国总统每日发言

Flu Virus Can Be Deadlier Than War From VOA Learning English, this is the Health Lifestyle report. The year 2018 will mark the 100th anniversary of the deadliest influenza outbreak in history. Scientists estimate that the influenza pandemic of 1918 k

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Rising fear over an outbreak, a new and dangerous strain of the bird flu so far contained to China. But tonight right here in the US, top scientists are now raising a development of vaccine. And if theyre concerned, how concerned should the rest of u

发表于:2019-01-07 / 阅读(73) / 评论(0) 分类 万花筒2013年

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

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2016年VOA慢速英语(八)月

By Carol Pearson Washington 24 September 2009 The World Health Organization says the H1N1 swine flu virus should be part of next year's seasonal flu vaccine. The WHO says the H1N1 pandemic could affect up to one third of the world's nearly seven bil

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2009年(九月)

Public health officials in San Francisco, and leaders from its large Asian community, are mounting an aggressive campaign to eradicate hepatitis B from the city. They say demographics are largely responsible for San Francisco having the highest conce

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2010年(七)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

发表于:2019-01-14 / 阅读(52) / 评论(0) 分类 VOA标准英语2009年(十一月)

The first American citizen has died from the swine influenza A-H1NI virus known as swine flu, and the number of confirmed cases in the United States has surged to 642. The victim was a 33-year-old woman from Texas who officials say had other chronic

发表于:2019-01-19 / 阅读(59) / 评论(0) 分类 VOA双语新闻 2009年5月

JUDY WOODRUFF: Just weeks ago, hardly anyone in the U.S. knew what the Zika virus was, much less worried about it. But the World Health Organization's warning today put the Americas, including the U.S., on new notice. And, suddenly, a mosquito-borne

发表于:2019-01-27 / 阅读(59) / 评论(0) 分类 PBS访谈健康系列

UNITED NATIONS, April 15 (Xinhua) -- A new polio vaccine will be rolled out next week to replace the one which protects against all three strains of wild poliovirus. It marked the beginning of the largest and fastest globally coordinated rollout of a

发表于:2019-02-05 / 阅读(63) / 评论(0) 分类 英语新闻

On the eve of the International AIDS Conference, which begins in Mexico City Sunday, researchers at the University of Texas Medical School at Houston claim to have discovered a way to destroy the HIV virus that causes AIDS. If their hopes are confir

发表于:2019-02-12 / 阅读(78) / 评论(0) 分类 VOA标准英语2008年(八月)

The International Federation of Red Cross and Red Crescent Societies is launching a global information campaign to help communities deal with the Swine Flu virus. The Red Cross says its main focus will be on the developing countries, which do not ha

发表于:2019-02-12 / 阅读(43) / 评论(0) 分类 VOA标准英语2009年(九月)

Containing the H1N1 virus in Britain is no longer an option and the country is moving to a new treatment phase. Health Secretary Andy Burnham outlined the new approach, effective immediately, which includes doctors diagnosing and prescribing medicat

发表于:2019-02-12 / 阅读(59) / 评论(0) 分类 VOA标准英语2009年(七月)

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

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 英语时差8,16

In Congo, Ebola claims the lives of 60 percent of those who get the virus. The disease is so devastating, even those who survive it are shunned. Really makes it frightening is the high mortality rate, the very severe symptoms that people experience.

发表于:2019-02-19 / 阅读(136) / 评论(0) 分类 VOA标准英语2019年(二月)
学英语单词
acetyl-resorcin
afaite
after a while
arc control device
bathetically
black consciousness
blurrily
buang
carbon-free steel
cash dispensers
caustic pot
celts
chancre of portio vaginalis
chancrous adenitis
Chernobyl accident
coal-meter
commercialist
congenital mixed myxoma
container pier
croire
data paths
deca-joules
dense-phase transporting system
design response
does with
economy of passenger
electric slag smelting
equipment and supplies
expire date
external referral identifier
fast dyed yarn
field garlic
fighting frenches
fire-missile
fish-fingers
Frick alloy
frictional-heating
Fritzlar
FSB
genus Pluteus
gringoes
halow
hanging plant
hompensan
i-washe
iaap
iconium
iminodibenzyl
infra dig
initial main sequence
intratubal
irrigation projects
kankrej cattle
lays it on thick
lecher oscillator
LGBTA
library entry
lithuanianism
moulded breadth
news cycle
oligoplasmatic
optical parallel transmission
outpress
oxidized microcrystalline wax
oxycinesia
oz. t.
PACOB
paradise road
peripneumony
Polik
porcelain carving
Portavogie
pterygoid fossa
purpuroxanthene
pyrexeophobia
questiomycin
rectors
reimbursement letter of credit
sb's name is mud
scalar data
self-abuses
sepal
setispinus
shallow hoisting
shallow marine deposit
sight-seeing car
sockful
special use permit
Stratigraphic test well
stratum germinativums
succinylacetone
temperature buffer
Tyne, River
unequal irradiation effect
upper photic zone
uretero-enterostomy
vector pattern
ward leonard control system
water separation cover
wood fender pile
zanjero
zoodikers