"In areas where the sleeping sickness is still very prevalent, such as remote areas of some central African countries -- which are by the way very unstable areas -- it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: special.2010.04.07

And as the cost of everything goes up, extreme poverty in Yemen becomes more prevalent.

VOA: standard.2010.04.20

The reported discrepancies in the election data are particularly prevalent in Afghanistan's volatile southern and eastern provinces, where Afghan President Hamid Karzai won by large margins.

VOA: standard.2009.10.07

White rice has become especially prevalent because of its long shelf life.

VOA: standard.2010.06.25

"In areas where the sleeping sickness is still very prevalent such as remote areas of some central African countries, which are by the way very unstable areas, it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: standard.2010.04.05