The World Health Organization has predicted that the virus will infect at least two billion people in the next two years.

VOA: special.2009.08.18

The World Health Organization has predicted that the H1N1 virus will infect at least two billion people in the next two years.

VOA: special.2009.08.05

This is because diseases that infect beans can stay in the soil and infect the next bean crop.

VOA: special.2009.03.24

In August of nineteen hundred, the researchers began to raise mosquitoes and infect them with the virus.

VOA: special.2010.05.18

In August of 1900, the researchers began to raise mosquitoes and infect them with the virus.

VOA: special.2009.01.27

"It reacts with that region, it inactivates the virus and the virus never has a chance to enter the cells that it would otherwise infect."

VOA: special.2010.07.14

But the virus can also infect humans, and South Africa has been experiencing an outbreak.

VOA: special.2010.07.12

The parasites reproduce in the human liver, and then infect the red blood cells.

VOA: special.2010.04.20

America's Centers for Disease Control and Prevention says the disease will infect three hundred fifty million to five hundred million people around the world this year.

VOA: special.2010.04.20

These will continue to move around in the air and can infect people.

VOA: special.2009.07.14

Experts say after the first treatment, patients can no longer infect others.

VOA: special.2009.10.14

That disease can infect potatoes, tomatoes and some other plants.

VOA: special.2009.10.20

But,it usually finds more susceptible populations to infect among the people who did not get the disease in the first wave.

VOA: standard.2009.09.04

If she lapses,she could infect one or two of whom may develop full blown TB or MDR-TB.

VOA: standard.2010.07.12