How human disease changed history, with Dr Jonathan Kennedy
Instant Genius
00:00
The Epidemiology of Malaria and Yellow Fever
The epidemiology of malaria and yellow fever are slightly different but the outcome is the same so malaria killed and it still kills large numbers of young people in in West Africa. If one's exposed repeatedly then one's body builds up resistance to this disease. Adults from the region have only quite minor symptoms when they're when they're reinfected, unlike European settlers who would die after being infected for first time.
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