The viruses appear to harm the bees' ability to use their genes to produce proteins needed to fight infections.
VOA: special.2009.09.22
But because of the similarity of the viruses, the immune response that people developed would also protect them against natural infections with variola.
因为这两种病毒很相像,人体的免疫应答也能保护自己,免受天花的感染
Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.
真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内
In the United States alone, the number of infections in hospitals is estimated at close to two million each year.
VOA: special.2010.04.21
Adenoviruses are viruses that give upper respiratory infections, they cause colds.
腺病毒可以感染上呼吸道,引起感冒
If it is compromised, then the bees could not defend themselves against pesticides or fungal infections or bacteria or poor nutrition.
VOA: special.2009.09.15
One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.
VOA: special.2009.10.13
If it is compromised,then the bees could not defend themselves against pesticide products, fungal infections, bacteria or poor nutrition.
VOA: special.2009.09.22
The experts say estimates of new H.I.V.infections are down by about fifteen percent in Africa, south of the Sahara Desert.
VOA: special.2009.12.08
A new government report notes that very little progress has been made in reducing what are called health care-associated infections.
VOA: special.2010.04.21
Also in the top ten causes were infections, including tuberculosis and H.I.V./AIDS, as well as drowning and fire-related deaths.
VOA: special.2009.09.28
The viruses appear to harm the bees' ability to use their genetic material to produce proteins needed to fight infections.
VOA: special.2009.09.15
But the latest report says urinary tract infections after surgery increased more than three and a half percent.
VOA: special.2010.04.21
Women who used the gel more than eighty percent of the times when they had sex had fifty-four percent fewer HIV infections.
VOA: special.2010.07.21
A government report notes that little progress has been made in reducing what are called health care-associated infections.
VOA: special.2010.05.25
One idea is to provide poor and developing nations with vaccines that help to prevent some cancer-causing infections.
VOA: special.2009.03.02
They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system.
VOA: special.2009.03.11
Most human infections with Rift Valley fever are caused by direct or indirect contact with diseased animals.
VOA: special.2010.07.12
It says urinary tract infections increased more than three and a half percent after a surgical operation.
VOA: special.2010.05.25
The research suggested that increases in pulmonary infections in the United States may be linked to people taking more showers than traditional baths.
VOA: special.2009.10.13
There were two million AIDS-related deaths last year, and two million seven hundred thousand new infections.
VOA: special.2009.12.08
Infections,smoking and using your voice too much, too loudly or just incorrectly can all cause hoarseness.
VOA: special.2009.09.02
In East Asia new infections with the virus that causes AIDS have decreased almost twenty-five percent.
VOA: special.2009.12.02
People with sickle cell disease can suffer severe pain, bacterial infections and the death of tissue.
VOA: special.2009.12.16
The infections observed in the bees included Israeli acute paralysis virus and deformed wing virus.
VOA: special.2009.09.22
They can also cause them. In the United States alone, the number of infections in hospitals is estimated at close to two million each year.
VOA: special.2010.05.25
About forty percent of all health care-associated infections are linked to the use of catheters.
VOA: special.2010.04.21
Another way to prevent infections is to give patients antibiotic drugs before an operation.
VOA: special.2010.05.25
The plan aims to reduce new HIV infections by twenty-five percent within five years.
VOA: special.2010.07.14
The report said nearly all the mother-to-child infections could have been prevented through interventions.
VOA: special.2010.05.24
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