Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.

VOA: special.2009.03.03

There is an increased threat of infection and disease from polluted waste, and from eating fish that swallowed waste.

VOA: special.2009.09.22

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

"We found that there's no real difference in device infection or device malfunction when you compare it to new pacemaker implantation."

VOA: special.2010.06.02

If they had, they would have been tested to see if they needed treatment to prevent an infection like H.I.V.or hepatitis.

VOA: special.2010.02.10

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

Scientists say an experimental vaccine reduced the risk of infection in human beings by thirty-one percent and was safe.

VOA: special.2009.10.13

The other advantages of hair sheep include that it's more resistant to parasites, so they're less prone to infection."

VOA: special.2009.08.03

They say it will enable them to protect themselves from HIV infection when involved with sexual partners who refuse to wear condoms.

VOA: special.2010.07.21

Scientists say an experimental vaccine reduced the risk of infection in humans by thirty-one percent and was safe.

VOA: special.2009.09.30

Swaziland is said to have the highest known rate of infection for the virus that causes the disease.

VOA: special.2009.05.04

The report shows,for example, an eight percent increase in cases of sepsis, or bloodstream infection, following surgical operations.

VOA: special.2010.05.25

But most importantly, we can look to a world that is free of HIV infection in children.

VOA: special.2010.03.10

The report shows,for example, an eight percent increase in cases of sepsis, or bloodstream infection, following operations.

VOA: special.2010.04.21

Two studies released last week found that taking medication daily reduced the risk of infection in heterosexuals.

VOA: special.2011.07.20