Word: carried
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Dates: during 1947-1947
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Scientists first heard of verruga in 1870, during the building of the Central Railway, when 7,000 workers died before the rails had been pushed out of the valley. The first investigator of the disease was a medical student named Daniel A. Carrión, now a Peruvian national hero, who died after inoculating himself with serum from a patient's wart. Verruga is still something of a medical mystery. Nobody has ever found out how the sandfly acquires its parasite, where it lays its eggs, why it seems to have thrived only in one narrow area. Doctors have...