It is a known vector of Dirofilaria immitis (dog heartworm); Myxomatosis (deadly rabbit virus disease); and tahyna-virus, a seldom-diagnosed Bunyaviridae, a disease which affects humans in Europe with fever which disappears after two days, but afterward can cause Encephalitis or Meningitis.
Catacamas virus is a single-stranded, enveloped novel RNA virus species in the hantavirus genus of the Bunyaviridae family isolated in Oryzomys couesi near the town of Catacamas in eastern Honduras.