In 1912, he began to study a skin disease that was killing thousands of people in the South.

VOA: special.2009.01.27

Yet for thousands of years rinderpest has affected people by killing cattle and other animals and causing starvation.

VOA: special.2010.11.02

But,as tens of thousands of barrels of oil continue to flow daily into the Gulf of Mexico, killing wildlife, damaging the environment and ruining livelihoods, the company is suffering as well.

VOA: standard.2010.06.18

it's not about numbers. It's about a plan and the execution of a plan to have tens-of-thousands of people removed from an areas by killing them, by putting them in camps,by rapes.

VOA: standard.2009.10.26