Date of Award

Spring 1978

Document Type


First Advisor

Rev. Joseph Harrington

Second Advisor

John Christenson

Third Advisor

Joseph Munzenrider


A surveillance study was conducted for the viral influenza strains present in the State of Montana from November 1, 1977 through March 1, 1978. Through laboratory viral techniques of isolation and serologic identification, the only strain isolated was A/TEXAS/(H3N2). Out of 170 nasopharyngeal specimens collected throughout the state, only 3 (l.7%) were successfully isolated while out of 125 blood sera (acute and convalescent) specimens only 42 (33.6%) showed positive seroconversions. Out of the 42 positive seroconversions, 15 (35»7%) were identified as A/TEXAS/(H3N2), while the remaining 27 (64.3%) could be identified as A/(H3N2). The influenza strain, A/USSR/l977(H3N2), isolated in Cheyenne, Wyoming (February 1978) had not been successfully isolated nor identified in the State of Montana during the term of this study.