Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

And I think that kind of dysfunctional political system which was established has really deprived Georgia from effective governance.

VOA: standard.2009.09.01

Campbell says it is in the interest of the United States and Mexico to prevent criminal gangs from gaining effective control of Juarez or any other parts of Mexico.

VOA: standard.2009.12.18

The visa for James Elder, an Australian,has been canceled effective Monday, but officials say after an appeal from the United Nations he will be allowed to stay there under September 21.

VOA: standard.2009.09.06

Some fire chiefs in California say that residents should always be encouraged to evacuate, but Naomi Brown, from the Australasian Fire and Emergency Service Authorities Council, says installing effective early warning systems is the key.

VOA: standard.2009.06.24