Science: Tsetse War

On the rim of northern Zululand's subtropical bush, an army of hunters stood poised for the greatest game hunt in South African history. This week, at a signal from Scientist Gilles De Kock, they would raise their guns and assagais (spears), and plunge into the jungle. Quarry: the tsetse fly.

The tsetse, carrier of dreaded, parasitic African sleeping sickness, which kills men and cattle alike, has for generations been Africa's great curse. The parasite comes mostly from wild animals. Despite all the South African Government's efforts, including the slaughter of more than 65,000 jungle animals in the last four years, the tsetse...

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