inapparently

inapparently

(ɪnəˈpærəntlɪ)
adv
in an inapparent manner
References in periodicals archive ?
Since all WN virus infections in equines may not give rise to clinical disease, the serologic status of inapparently infected horses is likely to be unknown.
These data suggest that the wild poliovirus circulated inapparently through several generations without causing paralytic disease.