| update on hantavirus in oklahoma: are we missing cases? | hantavirus pulmonary syndrome (hps) was first recognized in 1993. through july 6, 2005, 396 cases have been reported in the us, including 50 from kansas, texas, and oklahoma. we report the second case of hps in oklahoma and present data from rodent testing to support the presence of hantaviruses across oklahoma. we examined oklahoma death certificates for 1999-2003 for possible unreported hps cases. the rate of death in young adults 15-49 years due to acute respiratory distress syndrome was 69% ... | 2007 | 17557601 |