Poverty and distance are the enemies of health. In the rich world, high-quality medical care is usually a short drive away, because there are three physicians available, on average, to serve every 1,000 people. In South Africa, however, there are 0.8 doctors per 1,000, even though it is one of Africa's most prosperous countries. In Tanzania, the average is only 0.3 per 1,000. Whether in rural counties or remote mines and well- heads, people can also find themselves far from help when help is needed most. That is why health systems around the world turn to satellite to extend the reach of medical care.
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