What happens is your immune response goes haywire and then your body starts to attack itself, so theres a failure to shutdown.

VOA: special.2010.03.16

On his twenty-fourth birthday, doctors told Onalfo he had non-Hodgkin's lymphoma, a cancer of the immune system.

VOA: special.2010.06.02

The Northwestern University researcher took part in a study that found a way to turn off the immune system in mice with arthritis.

VOA: special.2010.03.16

But Legionella bacteria can cause a form of pneumonia in people with weakened immune systems.

VOA: special.2011.04.06

Scientists have believed that S.I.V.did not cause a similar immune system problem for primates.

VOA: special.2009.09.08

She says the chimpanzee tissue showed a severe loss of immune system cells.

VOA: special.2009.09.08

Some drugs can be a problem because they suppress the immune system.

VOA: special.2009.04.14

And how the cells shutdown is they actually die Harris Perlman says a protein in healthy immune cells causes them to die after they attack an invading virus or bacteria.

VOA: special.2010.03.16

Noriega's lawyers argued that as a serving head of state, he should have been immune from prosecution.

VOA: standard.2010.07.07

"So for instance, our relationships have been linked to lower blood pressure, better immune functioning, and even inflammatory processes that are implicated in a number of diseases."

VOA: standard.2010.07.29

The institute has scoured the results of international studies to find antigens substances that provoke an immune response in the body that could be a potent weapon against malaria.

VOA: standard.2010.01.20

The first step uses a bit of influenza DNA to get the patient's immune system to begin fighting off the flu, and then the protection is given a "boost" some time later by the second step, which can be either another bit of DNA or a conventional flu vaccine.

VOA: standard.2010.07.21