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[mass noun] A South American arenavirus carried by rodents, which causes a rare form of haemorrhagic fever in humans.
- ‘The infant hamster appears to be the most sensitive host system thus far devised for detection of naturally occurring strains of Machupo virus.’
- ‘The etiologic agent, Machupo virus, is a member of the family Arenaviridae and is maintained in the rodent C. callosus, the natural reservoir.’
- ‘After months of investigation, US government isolated the Machupo virus from the Arenavirus family as the cause of the outbreaks.’
1960s: from the name of the River Machupo in Bolivia, where the disease was first recognized.
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