One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

"We are particularly interested in these type of immune reactions that are responsible for killing the malaria parasite.

VOA: special.2009.12.22

The genetic changes cause the bodies of the insects to attack the Plasmodium parasite, blocking its development.

VOA: special.2010.04.20

George Dimopoulos and his team are studying ways to make mosquitoes resist infection by the parasite.

VOA: special.2009.12.22

They then use radiation to weaken the parasite, which is then harvested for the vaccine.

VOA: special.2010.04.20

It is a live vaccine, made of a weakened version of the whole malaria parasite.

VOA: special.2010.04.20

The changes cause their systems to attack the parasite, blocking its development.

VOA: special.2009.12.22

The insect can carry a parasite that infects the central nervous system.

VOA: special.2010.04.07

Then,when the parasite enters the brain, it causes more serious problems.

VOA: special.2010.04.07

He says the research identified a weakness in the parasite.

VOA: special.2010.04.07

The parasite enters people through the bite of infected mosquitoes.

VOA: special.2009.12.22

The cause of malaria is a parasite called Plasmodium.

VOA: special.2010.04.20

They feed the insects blood containing the malaria parasite.

VOA: special.2010.04.20

Malaria is caused by a parasite called Plasmodium.

VOA: special.2009.12.22

The disease is caused by the trypanosoma parasite.

VOA: special.2010.01.04

The parasite needs NMT to survive.

VOA: special.2010.04.07

He says their research has identified an "Achilles' heel" of the parasite - an enzyme that is needed for the parasite's survival.

VOA: standard.2010.04.05

The technique is called inception. Explains film maker Christopher Nolan ""Inception" is the notion that an idea is indeed a resilient parasite.

VOA: standard.2010.07.20

Dr.James Beeson says a successful vaccine would stimulate the body's defenses to stop the malaria parasite.

VOA: standard.2010.01.20

Malaria is caused by a complex parasite that makes it hard to target with a vaccine.

VOA: standard.2010.01.20

"We've identified a weakness in the parasite that can be exploited with drugs.

VOA: standard.2010.04.05

Malaria is caused by a parasite transmitted by a certain species of mosquito.

VOA: standard.2010.04.23

"We are able to demonstrate that the spread of malignant malaria happened only within the last five thousand years, even though the parasite affects hundreds of millions of people.

VOA: standard.2010.04.05

Sleeping sickness is spread by a parasite that infects the central nervous system and,if left untreated, moves to the spinal column and brain, resulting in mental confusion and eventual death.

VOA: standard.2010.04.05