- para·per·tus·sis -(.)pər-'təs-əs n a human respiratory disease closely resembling whooping cough but milder and less often fatal and caused by a different bacterium of the genus Bordetella (B. parapertussis)
* * *para·per·tus·sis (par″ə-pər-tusґis) [para- + pertussis] an acute respiratory disease clinically indistinguishable from mild or moderate pertussis, caused by Bordetella parapertussis. See also pertussis-like syndrome, under syndrome.
Medical dictionary. 2011.