Dec. 15, 2010— -- Impoverished countries, which lack funding, education and access to proper medical care, are often plagued by viruses and diseases that have long been cured in the West.
In a special edition of "20/20," we take a look at three technological inventions that are helping to solve some of the world's worst health problems: the Camel Caravan in Kenya, GeneXpert in Cambodia and Embrace Infant Warmers in India.
This story is part of ABC News' "Be the Change: Save a Life" initiative, a year-long series of broadcasts and digital coverage focusing on global health issues.Click here to watch the special.
For complete coverage and information on how you can personally make a difference, go to SaveOne.net.
In the vast, barren land of Northern Kenya, roads are often nonexistent and temperatures can climb into the triple digits. These conditions make it extremely hard to deliver vaccines and supplies, especially to the nomadic Samburu people.
The World Health Organization (WHO) estimates that about 23 percent of people in Kenya don't have basic vaccines.
ABC News' Jay Schadler reported from the region on the novel idea of delivering medical supplies off the backs of camels instead of trucks.