The grisly seven.

• Localización: Scientific American, ISSN 0036-8733, Vol. 302, Nº. 1, 2010, págs. 92-93
• Idioma: inglés
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• Resumen

  • A chart is presented which ranks the seven most common parasitic or bacterial infections in impoverished areas including those caused by roundworm, whipworm, and hookworm. Also presented are the number of people infected, in the millions, the cause of the diseases, and how the diseases are transmitted.