| evidence of human infection with a rat-associated hantavirus in baltimore, maryland. | human sera obtained from two sources in baltimore were tested for antibodies against a hantavirus by a variety of techniques. four persons out of 1,788 had hantaviral antibody as demonstrated by immunofluorescent assay, enzyme-linked immunosorbent assay, and neutralizing assay. neutralizing antibody titrations against three test viruses indicated that infections were caused by a rat-associated virus. medical histories of two subjects indicated life-long residence in baltimore and an absence of f ... | 1988 | 3128102 |
| serologic survey of cattle in the northeastern and north central united states, virginia, alaska, and hawaii for antibodies to cache valley and antigenically related viruses (bunyamwera serogroup virus). | bovine sera from northeastern states (connecticut, delaware, maine, maryland, massachusetts, new york, pennsylvania, vermont, and west virginia), north central states (indiana, illinois, iowa, kentucky, michigan, minnesota, north dakota, ohio, south dakota, and wisconsin), virginia, alaska, and hawaii were examined for the presence of neutralizing antibodies to cache valley (cv), lokern (lk), main drain (md), northway (nw), and tensaw (ts) viruses. microneutralization tests were performed using ... | 2002 | 12363055 |