The researchers say their study shows a vaginal gel substance reduced the risk of HIV infection among women who used it.
VOA: special.2010.07.21
So, I have a bacteria infection, stimulates my immune system, I start making antibodies that bind to an antigen specific to that bacteria.
所以 如果我被细菌感染了,我的免疫系统被激活,开始制造抗体,这些抗体结合到细菌特异性的抗原上
AIDS is a tremendous problem, deaths from HIV infection and AIDS a tremendous problem in Africa and other parts of the world.
艾滋病是一个巨大的问题,在非洲和世界其他地方,艾滋病毒感染和艾滋病带来的死亡,是一个巨大的问题
Masses of these monocytes leave the spleen in the event of an injury like a heart attack, wound,or infection.
VOA: special.2009.08.25
You can become dehydrated and die just as a result of the loss of water there, because of your body's natural response to the infection.
就会脱水,而失水的后果就是死亡,这是你身体对于这种感染的自然反应
For example, in two thousand seven, doctors in the Washington area said a boy died when a tooth infection spread to his brain.
VOA: special.2009.03.11
That infection occurs because of a ligand receptor interaction on the cell surface where the virus itself is the ligand and it takes advantage of a receptor that's expressed on the cell surface.
感染的发生是由于,配体与细胞表面受体相互作用,病毒是配体,它利用了在,细胞表面表达的受体
But most importantly, we can look to a world that is free of HIV infection in children.
VOA: special.2010.03.10
And he kept track of how many people he gave the vaccines to, and then he kept track of what would happen to those people when a smallpox infection occurred in their community.
他与接种过牛痘的人保持联系,关注当天花在这些人周围肆虐时,他们身上发生了什么
This is a protein that causes inflammation, a physical reaction to infection, injury or other causes.
VOA: special.2009.04.14
Along with the bone damage there is a risk of infection in the open wound.
VOA: special.2009.02.04
But those with weak natural defenses may develop a severe infection.
VOA: special.2009.05.26
One example of a cancer causing infection is human papillomavirus.
VOA: special.2009.01.13
The vaccine works by a process called "infection and treatment."
VOA: special.2009.11.03
One example of a cancer-causing infection is human papillomavirus.
VOA: special.2009.03.02
The test found that those given the vaccine showed a 31 percent lower risk of infection than the others.
VOA: standard.2009.10.20
Then there's last September's results of the Thai vaccine trial, which proved a vaccine can offer some protection from infection.
VOA: standard.2010.07.15
His parents died of tuberculosis. So when Bolivar developed a chronic cough, fever and weight loss, the same bacterial infection was suspected.
VOA: standard.2010.06.09
The cancer scientists say this cancer often begins with an infection caused by a bacteria called Helicobactor Pylori, also known as H-Pylori.
VOA: standard.2010.05.12
They are coming in when they are symptomatic, which is usually after a decade of infection.
VOA: standard.2009.11.15
"This is a way of voluntarily preventing yourself from transmitting infection perhaps to others.
VOA: standard.2009.04.29
a result of his life-long infection with hepatitis B.
VOA: standard.2010.07.26
"There may be either a new cause for gastric cancer in that population or perhaps some difference in their Helicobactor Pylori infection that's contributing to a new risk for gastric cancer."
VOA: standard.2010.05.12
Tuberculosis is a common side-effect of HIV infection.
VOA: standard.2010.07.21
The aid group Doctors Without Borders says at some of its surgical centers there is a 10 to 12 day backlog of patients, some of whom are dying from infection of untreated wounds.
VOA: standard.2010.01.21
"One of the things that this study actually allows us to do, is to begin to get a sense as to how much of the burden of infection is an added burden on a patient who is already at risk of dying because of the underlying diseases that led them to be in the intensive care unit,"
VOA: standard.2009.12.08
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