| newly recognized hantaviruses associated with hantavirus pulmonary syndrome in northern brazil: partial genetic characterization of viruses and serologic implication of likely reservoirs. | following the occurrence of the first laboratory-confirmed cases of hantavirus pulmonary syndrome (hps) in maranhao state, brazil, rodents were trapped and rodent materials screened by elisa for antibodies to sin nombre and andes hantaviruses. antibody-positive samples were tested by rt-pcr, amplified products were sequenced, and phylogenetic trees were constructed for comparison with known hantaviruses. from 104 rodent blood samples collected (40 bolomys lasiurus, 52 holochilus sciureus, 12 oli ... | 2005 | 15815145 |