Abstract
Summary
Amaparí virus is a new member of the Tacaribe virus group which has been isolated on 5 occasions at Serra do Navio, Amapá Territory, Brazil, during 1964 and 1965. One strain was recovered from organs of Neacomys, 3 from organs of Oryzomys and 1 from mites combed from Oryzomys. The new virus is closely related in complement-fixation (CF) testing to the other 3 members of the group—Tacaribe, Junín and Machupo—but differs from them in neutralization testing. Limited studies revealed no neutralizing antibody in sera of human residents of Serra do Navio. Oryzomys captured in the area had CF but not neutralizing antibody.
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